Concept Cars That Were Really Only Good In Theory

When a car company is working on a new line of vehicles, they often release or showcase a concept car that is designed to show the media and car makers what they have up their sleeves for the coming lineup.

Sometimes, however, the concept car is a lot more attractive than the cars that are available to the public. Companies pull out all the stops for the concept car to get people excited, and then the following models are lackluster in comparison. Keep reading to see some cool concepts that promised big but delivered small.

2012 Mercedes-Benz Ener-G-Force

mercedes benz concept car failure
Photo by Mercedes-Benz
Photo by Mercedes-Benz

We thought Mercedes had outdone themselves when they announced the Mercedes-Benz Ener-G-Force. This car was supposed to be a futuristic take on off-road law enforcement vehicles. Designed as an evolution of the Mercedes-Benz G-Wagon, the Ener-G-Force is a fuel-cell-powered bruiser that features adjustable suspension and a 360-degree topography scanner mounted to the roof.

Tragically, nothing came of the concept, and the G-Class trucks are only available in "mall-crawler" trim. We expected more from this iconic brand.

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2001 Suzuki GSX-R/4

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Photo by Wikimedia Commons
Photo by Wikimedia Commons
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Back in 2001, Suzuki decided to showcase the best of what its motorcycles had to offer in the form of a high-powered concept car. The power came from the Hayabusa motorcycle and was capable of taking the concept to 180 mph. This car was supposed to perform like a racecar in the streets.

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The GSX-R/4 was shown at the Los Angeles Auto Show in 2001, and while never intended for production, Suzuki promised us racecar level designs made for the streets. Unfortunately, that never really panned out.

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1985 Ford Probe V

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The 1985 Ford Probe V looked almost too good to be true. The problem was, that was exactly the case. This model was supposed to be the final incarnation of a series of aerodynamic design studies. It featured a mid-mounted engine and sliding doors.

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Ford invested heavily in this "aero-design" concept, but when it came to making models for the public, they stuck to standard issue sedans. Nothing special. Nothing new. We expected more from Ford back in 1985.

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2002 Lincoln Continental

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Photo by Ford
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We first saw the Lincoln Continental concept car in 2002 at the Los Angeles Auto Show. The car paid tribute to the vehicles of the '60s with a slight modern twist, at least in terms of design.

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Under the hood, the car was quite modern with it's four hundred horsepower V12 engine. This was also one of the first cars to utilize fiber-optic lighting and LED technology. UNfortunately. none of those retro-futuristic elements were incorporated into the models available to the public.

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1997 Dodge Copperhead

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dodge concept copperhead car failed to impress
Photo by Dodge/FCA
Photo by Dodge/FCA
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After the success of the Viper, Dodge sought to stay hot with the Copperhead concept car. The car was first introduced in 1997 at the North American International Auto Show in Detroit. The Copperhead was supposed to be a smaller, slimmer, more streamlined version of the Viper. Dodge ended up canceling the project in 2002.

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Instead of the Copperhead, the public received the Avenger and the Stratus, which were nowhere near as flashy or as cool.

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2015 Lexus LF-SA

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This little car was supposed to be perfect for people who lived in busy cities and needed to squeeze their vehicles into tight parking spots. The Lexus LF-SA caught people's attention. We had never seen a luxury version of a SmartCar before.

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In the end, Lexus decided to go in a completely different direction. They focused on larger sedans and SUVs, although the enormous grille has become something of a Lexus signature.

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2013 Subaru Impreza WRX

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Photo by Samuel Corum/Anadolu Agency/Getty Images
Photo by Samuel Corum/Anadolu Agency/Getty Images
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The Subaru Impreza was already a success when Subaru decided to unveil the 2013 Subaru Impreza WRX. Initially, people were super excited for this update, however, when the models started getting churned out, people realized that the new Impreza WRX wasn't really that impressive, or that different from the old WRX.

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Subarau thought they had it made when really they were just recycling their old tricks. We still love the Impreza, though, even if this concept car was subpar.

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2011 MINI Cooper Rocketman

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Lexus was a luxury brand that tried to create mini, but the 2011 MINI Cooper Rocketman was MINI's attempt to make a luxury car. Really, they were both driving at the same idea. The Rocketman was first introduced at the 2011 Geneva Auto Show.

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At eleven feet three inches long, the Rocketman is only slightly bigger than the original car and thanks to lightweight construction was capable of 78 mpg. People didn't love this idea as much as MINI thought they would, though.

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2002 Lincoln Blackwood

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Photo by Ford Motor Company
Photo by Ford Motor Company
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Look at those glowing lights! Who wouldn't want a luxury pickup trunk? You know, for all those times you take your pickup truck to a fancy dinner or to the theatre. Basically, people were just confused by this concept.

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When it was made available to the public, there weren't many options for upgrades, and the pinstripes were mandatory. People weren't interested, Lincoln felt it, so they canceled the project before it took down their whole reputation.

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2003 Cadillac Sixteen

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Sixteen cylinders, 13.6-liters of displacement, one thousand horsepower, four doors and two and a half tons of Cadillac opulence made the Sixteen concept car of 2003 the ultimate flagship model.

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The Sixteen was long and sleek and could have been a legitimate rival to Bentley and Rolls-Royce, with a Bulgari clock on the dashboard and a Cadillac logo on the steering wheel carved out of a solid piece of crystal. No flagship model emerged, however, and the tedious lineup of Cadillac's big sedans and SUVs continued with all the excitement of used dishwater.

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2016 Buick Avista

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The Buick Avista concept was a 400 horsepower, twin-turbo 2+2 coupe that debuted at the 2016 North American International Auto Show. It showed the world a side of Buick that had been missing since the 1950s, and the low-slung flowing design captivated imaginations. Could this be an America Aston-Martin? A beautiful grand touring coupe with state-of-the-art construction?

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Sadly, no. Buick doubled down on questionable SUVs and bland sedans, with nothing from the Avista translating to any of Buick's models. The chassis, GM's Alpha platform, is common between the ATS-V Coupe and the Chevrolet Camaro but none of that fun went toward Buick.

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2008 Mitsubishi Concept-RA

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Mitsubishi showed up at the 2008 North America International Auto Show with a front-engine, four-wheel drive concept car that many speculated would become the next Eclipse.

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The Concept-RA brought a 2.2-liter clean diesel engine, twin-clutch transmission and an aluminum space frame chassis to the party, but none of the technology, design or coolness ever made it to the already aging Eclipse. In fact, Mitsubishi left the Eclipse largely unchanged right up to its death in 2012. A shame, really, as the Concept-RA could have helped keep Mitsubishi relevant as other manufacturers pursued small, affordable sports cars.

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2010 Audi Quattro Concept

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The wicked Audi Quattro Concept dropped in 2010 at the Paris Motor Show and quickly became one of the big talking points of the exhibition. Meant to commemorate the 30th anniversary of the original Audi Quattro, it was essentially a light-weight, short wheel-base version of the company's RS5.

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With 402 horsepower and a six-speed manual transmission, the Quattro Concept promised to revive the legendary exhilaration of the original Quattro Coupe. Disappointingly, Audi decided to shelve the project, taking only some design cues to future models.

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2006 Saab Aero-X

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Saab had always been known for coming up with some wild, imaginative and futuristic concept cars, and in 2006, they brought the canopy cockpit Aero-X to the Salon International de l'Auto. Powered by a twin-turbo V6 engine running on pure ethanol with an all-wheel-drive system, the Aero-X looked like a solid performance contender. The coolness is in the way the canopy opens up and out. The car was even slated to appear in a Transformers film.

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Sadly, Saab just didn't have the budget to build this car and none of its product lineups were able to carry on any of the Aero-X's features.

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1976 Chevrolet Aerovette

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The Aerovette was a mid-engined Corvette concept car born in 1969 that reached its final incarnation, with a small-block V8, in 1976. Featuring gull-wing doors and a low drag shape, the Aerovette looked poised to propel the Corvette into legitimate supercar territory. The concept, unfortunately, never gained enough traction and the project was killed off in favor of the traditional front-engined layout.

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The C3 generation of the Corvette, of the same time, has since been called one of the worst generations. Just imagine what the Corvette would be now if they had bypassed the malaise-era Vette and gone mid-engine!

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2011 Cadillac Ciel

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The Ciel concept is what a Cadillac should be about. Design, presence, luxury, and comfort. The Ciel was a massive four-door convertible that debuted at the 2011 Pebble Beach Concours and was meant to showcase Cadillac's intentions to return the brand to a premier luxury auto manufacturer.

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Nothing in Cadillac's lineup had as much visual impact, and unfortunately, their focus drifted away from becoming a premier luxury brand, and toward competition with BMW and Mercedes for mid-size sedan supremacy. The design was watered down for the full-size sedans, and the Ciel left everyone wondering what could have been.

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2011 Citroen Tubik

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citroen tubik concept car was a party bus for young people
THOMAS KIENZLE/AFP/Getty Images
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Citroen was hoping to change their reputation in 2011 when they unveiled the Tubik concept car. It was a drastic change from their fairly generic transport trucks, and audiences fell in love. What young consumer wouldn't want to own their own mini party bus?

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Unfortunately for Citroen, when consumers took a closer look at the concept, they started seeing all the flaws. The seating layout, for one, wasn't ideal for the driver or the passenger up front. Most importantly, the car wasn't considered versatile enough for what modern car buyers wanted.

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2008 Hummer HX

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Hindsight is always 20/20 and had GM's Hummer brand followed through and built the HX concept, they could have sold a legitimate rival to the Jeep Wrangler. The HX concept was designed as a two-door, V6 powered slant-back off-roader with a removable door that was about the same size as Jeep's Wrangler.

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Destined to be called the H4, the rugged and customizable truck never made it to production. You can blame the financial crisis of the time, or four-dollar a gallon gasoline, but the Jeep fighter never materialized and the H2 and H3 Hummers never got the off-road kit that the HX concept promised.

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2012 Jeep Mighty FC

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Jeep chose to unveil the impossibly cool Mighty FC (Forward Control) concept at the annual Easter Jeep Safari in Moab. It's a throwback design to the cabover Jeeps of the 1950s and 60s with a modern drivetrain, off-road suspension, and trick portal axles.

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With a pickup truck bed in the back, the Mighty FC is a utilitarian off-roader that could get you, and anything you wanted to carry, over just about any terrain imaginable. Sadly, the FC never made it to production and only portions of the concept became available in kit form. A disappointing reality check for sure.

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1995 Chrysler Atlantic

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This car looks like something out of a futuristic movie and a retro movie all at the same time. Chrysler's 1995 Atlantic model paid homage to the art-deco cars of the 1930s and to the legendary Bugatti Type 57 Atlantic. Interestingly, the Chrysler was powered by a straight eight-cylinder engine that was, in fact, two Dodge Neon engines put together.

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Even though this car was never meant for production, it did usher in the era of retro car design. For Chrysler, the reality that emerged from the Atlantic concept was the rather bland Prowler and not very well received PT Cruiser.

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2005 Holden Efijy

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Holden is Australia's division of GM and the Efijy concept car is a tribute to the 1953 Holden FJ. Based on a Corvette chassis, the Efijy is powered by a supercharged LS2 V8 which is good for six-hundred horsepower. Despite being Australian in design and construction, the Efijy actually won the U.S. Concept Car of the Year Award in 2007.

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While the Holden Commodore and Monaro got V8s and muscle car cred, not much else of the Efijy ever made it to production leaving the cars in Holden's lineup looking and feeling rather mild compared to the concept.

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2002 Cadillac Cien

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Cadillac and supercar are two words that usually don't go together in the same sentence. But in 2002, at the Detroit Auto Show, Cadillac showed up with a V12 powered, F-22 fighter jet inspired, mid-engined supercar.

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It was a wicked concept meant to celebrate the brand's 100th anniversary. But in a disappointment to actual customers, there was nothing exciting that they could purchase. The Ciel was featured in several video games including the Gran Turismo series, but none of the tech, engine, chassis or fun carried over to actual cars, making the concept car pure vaporware.

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2011 Scion FR-S

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by Andy Cross/The Denver Post via Getty Images
by Andy Cross/The Denver Post via Getty Images
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We don't want to say this is the car that sunk the ship that was Scion, but we're not going to not say it, either. The company, which Toyota was using to attract younger consumers, was doing quite well for itself with small, economical cars when it decided it needed to add a sports car.

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The FR-S concept car was a hit at auto shows, and Scion thought that would translate to sales in the real world. Then the car was released to the public, and it absolutely fizzled. It's not that anyone was really wrong with the FR-S, it's just that it wasn't what Scion's consumers wanted.

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2005 Ford SYNus

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Photo by Wieck/Ford Motor Company via Getty Images
Photo by Wieck/Ford Motor Company via Getty Images
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Ford was really thinking outside of the box in 2005 when they unveiled the SYNus concept car. They wanted to make a car that was tough on the outside, but soft and luxurious on the inside. What they created ended up looking like a bank vault.

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Unsurprisingly, consumers didn't want to drive around in a bank vault, no matter how comfortable the seats on the inside were. It was also undersized and not family friendly.

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2005 Hummer H3

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Making big cars small and fuel efficient was all the rage at the turn of the century, and in 2005, Hummer finally heard the call. They revealed the H3, a smaller version of their iconic car, which would be more planet-friendly.

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The new H3 was not a hit. Hummer kept it in production for five years before finally giving up on it. The end of the H3, sadly, also meant the end of the Hummer brand, as General Motors announced its discontinuation that same year.

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2003 Chevy SSR

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Chevrolet wanted to create a fun new retro-inspired car in 2003 when they came out with the SSR. The odd-looking car definitely stood out, but not in a good way. While the idea of a convertible truck was quirky, it wasn't exactly consumer friendly.

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While reception to the car's design was positive, that excitement didn't translate to sales. The SSR stayed on the market for three years until Chevy realized it wasn't worth pushing anymore without the public's monetary support.

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2008 Scion Hako Coupe

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The Scion Hako Coupe was strange to say the say the least. Looking at it, it's hard to tell exactly what the company was trying to accomplish with such a boxy, non-modern design. To call it an experiment is being nice.

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The general idea behind the Hako Coupe wasn't as strange as the car. Scion was determined to create new cars that appealed to young consumers. More correctly, Toyota wanted to design new cars that did that, and used Scion almost as an experimental branch to test the waters without hurting their own stock.

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2001 Honda Unibox

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Photo by Kurita KAKU/Gamma-Rapho via Getty Images
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Yes, this is an actual concept car that Honda made in 2001. No, it never made it past the concept stage, and it's pretty obvious why. Would you want to drive around in a six-wheeled, clear-bodied Honda?

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We didn't think so. Hopefully, Honda never had any real intention of producing this car. We don't know anyone who would consider buying one, although with billions of people in the world, the chances of selling at least would have been likely.

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2009 Nissan Murano CrossCabriolet

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The first Nissan Murano was released in 2002. Seven years later, Nissan brought the Murano CrossCabriolet to the market, a concept car that needed more time in the drawing room. In a rush to be innovative, Nissan ended up committed the biggest sin of auto making.

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The CrossCabriolet was a convertible crossover, which was a radical idea in 2009. Nissan was looking to get ahead on the next big auto trend, and turning their biggest crossover into a top down cruiser seemed like a no-brainer. By 2014, the CrossCabriolet was sent to the auto heap.

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2011 Chevrolet Volt

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The Chevy Volt might be one of the most recognizable and popular plug-in cars today, but when it first came out, it was an epic disaster. Chevy did the right thing in 2011 by jumping on the electric plug-in bandwagon.

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Looking to take Toyota and the Prius down a peg, Chevy rushed their concept to market. While the initial reaction to the car was enthusiastic, sales sagged and maintenance problems arose. We give Chevy credit for sticking it out through the storm though, and Volt is now the second best selling plug-in vehicle of all-time.

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2006 Dodge Charger

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Photo by Michael Tran/FilmMagic
Photo by Michael Tran/FilmMagic
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Consumers were ecstatic in 2006 when Dodge announced the return of the Charger. The car had been a staple of the lineup for years before disappearing without a trace. The new Charger would respect the past, while bringing the car into the future as well.

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Can you guess how that turned out? If Dodge had released the new Charger in 1999 when they actually announced it, it would have been a huge hit. Seven years later it became a much tougher sell, though.

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2008 Toyota A-Bat

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Photo by David Cooper/Toronto Star via Getty Images
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The Toyota A-Bat was a concept truck that the company made public in 2008. They swung for the fences with the highly stylized vehicle and left fans confused about what the actual concept of the car was.

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The good news is that the A-Bat never went into production. Toyota got the message. If they were going to design a new pickup truck, it needed to look like a pickup truck, not... like something else entirely.

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2002 Chevy Bel Air

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The Chevy Bel Air was the company's attempt to create something futuristic that looked like it could have come straight out of the past. Chevy hoped to create extra excitement by using the Bel Air name, which used to be synonymous with the company.

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The result of Chevy's labor was a car that no one was sure what to make of. Diehard Chevy fans dug the interesting car, while general consumers were far less enthusiastic.

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2001 Toyota Pod

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Photo by Mark Ralston/South China Morning Post via Getty Images
Photo by Mark Ralston/South China Morning Post via Getty Images
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This is a concept car Toyota definitely wishes they could take back. The Pod was a strange collaboration between the automaker and Sony to create the most futuristic car possible. What they ended up creating was... interesting.

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The car was loaded with features, including stools instead of seats that could rotate 360 degrees and driving tablets instead of wheels. Did we mention it had an on/off switch that looked like a tail that wagged? Yeah, this car didn't make it past the concept phase.

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2001 Dodge Super 8 Hemi

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Photo by Joe Wilssens/DaimlerChrysler/Newsmakers
Photo by Joe Wilssens/DaimlerChrysler/Newsmakers
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The Dodge Super 8 Hemi attempted to combine the look of Dodge's signature SUVs and trucks into one look. The awkward looking car was first shown off at the 2001 North American International Auto Show.

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The reaction at the auto show was disappointment. The idea of the car was exciting, but the execution left a lot to be desired. The look of the Super 8 Hemi was one of Dodge mashing a bunch of different cars together and hoping for the best.

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1990 Pontiac Sunfire

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If only Pontiac had the confidence to release this car to the public. It truly was an incredible concept car. It had he looks and technology to become an instant classic. It's just too bad Pontiac got cold feet in 1990 and shelved the feature-filled Sunfire.

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What Pontiac ended up releasing in 1995 in its place was more of the same. The actual Sunfire was safe and unexciting. The concept Sunfire could have revolutionized the auto industry.

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1986 Pontiac Trans Sport

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In 1986, Pontiac hopped on the NASA bandwagon and designed a concept car called the Trans Sport that looked more like a spaceship than a family van. The concept was given an enthusiastic response, making it all the more odd that Pontiac didn't follow through.

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When the company released the Trans Sport to the public, it was watered down. Few, if any, of the features shown in the concept model were given to the production model. Almost all of them had been called too expensive to actually add.

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2000 Pontiac Aztek

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Photo By JERRY HOLT/Star Tribune via Getty Images
Photo By JERRY HOLT/Star Tribune via Getty Images
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From concept to production, not much changed with the Pontiac Aztek. The automaker had finally learned its lesson, and was ready to roll the dice with a highly anticipated car. The problem was the niche market Pontiac was targeting.

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The Aztek was aimed at outdoors enthusiasts who loved camping. With that purpose in mind, the car was designed to make spending time in the forest as easy as possible. Spending time on the freeway or with family, however, was a much different story.

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1997 Pontiac Rageous

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Photo by MATT CAMPBELL/AFP/Getty Images
Photo by MATT CAMPBELL/AFP/Getty Images
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While we would love to give Pontiac a break, we can't ignore the Rageous. From the design of the car to the name, there was nothing to love in this over-the-top concept.

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Pontiac built the Rageous like a Firebird but turned it into a weird hatchback with a drop-down tailgate. As one Pontiac employee described it, "It provoked the [deleted word] out of upper management. When Pontiac comes out of the closet, we really come out.”

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1999 Honda Fuya-Jo

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Another car to be thankful never made it past the concept stage, the Honda Fuya-Jo first confused consumers in 1999. The strange little vehicle was designed to be like a moving nightclub. Passengers stood up, and speakers lined the walls.

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Sounds super fun, right? Targeting the party-hardy youth, the steering wheel was even designed to resemble a turntable. For anyone looking to take the nightclub on the go, this was the perfect concept. For most of us, it wasn't.