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GMI's Recent GM Show Car Guide

Last Updated: March 22, 2006


Centieme- At the 2003 Detroit International Auto Show Buick unveiled the Centieme concept vehicle.  The Lambda-based crossover was powered by a beefed-up version of GM’s 3.6L Turbo V6, producing 400 HP and 400 lb-ft. of torque. GM designed the Centieme from the ‘inside-out,’ focusing on the interior as the main priority.  The interior was bold and used high-class materials, including leather trim on the key.  Although the Centieme name is not likely to show up on a production vehicle, a Lambda-based crossover with styling cues from the Centieme is expected.


Velite- The Zeta-based Velite show car was shown at the 2004 New York International Auto Show.  The 4-seat convertible was powered by the same 3.6L Turbo V6 as the Centieme.  Producing a stunning 400 HP and 400 lb-ft. torque.  Velite was also intended on showcasing Buick’s future styling DNA that will be used on all future products (seen on the upcoming Lucerne).  The Velite was never truly given the green-light for production, but rumors state that a Velite-like car is coming on a different platform.


 Enclave- As the case we several past GM vehicles, the Lambda-based Enclave concept vehicle is basically what the      production version is going to look like; sans a few interior components. The concept was powered by a 270 HP version of the DOHC 3.6L V6 mated to the 6T70 6-speed automatic transmission. The Enclave sports a new design direction for Buick, and if you look close; you will see several resemblances to the Velite crossover.


Cien- The Cadillac Cien was introduced on the 2002 show circuit as Cadillac's way of celebrating it's 100 birthday (Cien is 100 in Spanish). Designed in the image of the US Air Force's F-22 Raptor Jet Fighter, the striking Cien was powered by a 750HP XV-12 Engine based on Cadillac's Northstar. Though the Cien will not make production, the XV12 powertrain could make it's way into a future Cadillac product. 


Evoq- The Cadillac Cien was introduced on the 1999 show circuit. It was Cadillac's way of introducing it's new Art & Science design vocabulary to the public. Powered by a 405HP Supercharged V8, and built off the Chevrolet Corvette platform, the Evoq showed what a future Cadillac premium sports car may be. The Evoq concept lead to production of the current day Cadillac XLR, which even sports the supercharged (440HP) Northstar in V-Series trim. 


Sixteen- Cadillac’s Sixteen is by-far one of the most astonishing concept cars to ever to come out of GM.  With a V-16 power-plant that produces 1000 HP and 1000 lb-ft. toque, the Sixteen is a car that has yet to be matched.  The purpose of the Sixteen was to showcase Cadillac’s next-generation Art & Science design theme, and show that Caddy still has the power to become the “Standard of the World.”  Production for a Sixteen-like car is likely, however the V-16 powertrain is not likely to see production anytime soon.


Bel Air- Shown at the 2002 Detroit Auto Show, the Bel Air Concept was a retro inspired concept which had many side stories. The design for the Bel Air is rumored to have been morphed from a concept drawing for a new possible Camaro (don't read too much into that). It was built on a modified Colorado chassis and featured a 300+HP Turbo I5 engine which we will likely see in a performance Hummer H3 in a few years.

Camaro Concept- Possibly the most anticipated GM concept car in years, the Zeta-based Camaro Concept showcases what the future 5th generation pony car will look like. Even the concept’s powertrain will likely make it to production- the 400 HP 6.0L LS2 V8. The concept was unveiled at the 2006 North American International Auto Show and was the first unveil that allowed select people that were not media personnel to be at the reveal.

Cheyenne- Shown at the 2003 Detroit Auto Show, the Cheyenne was Chevrolet’s show truck that gave a glimpse of the upcoming GMT-900 trucks.  No word on whether the interior of the Cheyenne was a sneak-peak of the next-generation Silverado, but it is possible.  The Cheyenne name is not likely to ever see production.


Nomad- The Kappa-based Nomad concept car was showcased at the 2004 Detroit Auto Show sporting retro Nomad-like styling on the exterior and interior.  The Nomad Concept was powered by a turbocharged version of GM’s ECOTEC 2.2L 4-Cylinder, pumping 250 HP and 240 lb-ft. torque- a production ready power train by the way.  The Nomad was pondered upon for a long time inside GM, but it has yet to get the green-light for production.


SS- Revealed alongside the Cheyenne concept was the Chevrolet SS concept car.  The car was a sedan that, unless looked at closely could easily be mistaken for a coupe.  The design received rave reviews by the media and public.  Although GM has no plans to produce the rear-wheel drive SS, a rear-wheel drive sedan with styling similar to the SS’ is not out of the question, considering that many styling cues from the SS show car are now part of Chevrolet’s future world-wide styling DNA- proof of this will be in the next Malibu.


SSR- Shown at the 2000 Detroit Auto Show, the SSR was a concept that blended many cues from GM's past trucks. The concept was built on a modified Chevy Blazer platform and featured a 300+HP LS1 V8. The SSR entered production on Rick Wagoner's orders in 2004, and was shockingly similar to the concept. Built on the GMT-365 (Trailblazer) platform, the 4,000+lb SSR was powered by a 305HP 5.3L V8. Sales the first year tanked because the SSR was considered by many to be all show, and no go. Starting in 2005, the SSR was powered by the 395 HP LS2 V8.  GM has since announced that SSR production will be ceased early this year.


Sequel- The Sequel concept car was introduced as more of a technology concept than design (like most concepts).  Sequel was built on GM’s hydrogen ‘skateboard’ platform, and was about the size of the Cadillac SRX. 

     The somewhat complicated fuel cell system works by producing total electric power when hydrogen hits the fuel cells.  That power is then converted into torque that is distributed to all of the wheels.  Extra power is delivered from the motor in each of the rear wheels.  The Sequel’s design will never be produced, but GM claims that the technology in the Sequel will be in dealership in the next decade.


Graphyte- GMC’s Graphyte concept was revealed at the 2005 Detroit Auto Show.  The main purpose of the concept was to show off GM’s new two-mode full-hybrid system that gives the vehicle a 25% better fuel economy than a non-hybrid SUV.  Connected to the hybrid system was GM’s 5.3L V8.  The two-mode hybrid system will see production sometime in the future, and GMC is scheduled to get a Lambda-based crossover that will wear styling similar to the Graphyte.


Torana- Released at the 2004 Australian Auto Show the Torana was based on an extended version of the rear-wheel drive Kappa platform, codenamed the TT36.  Not only did the hot-pink show car sport Holden’s future styling, but it showed that an extended version of the Kappa is possible, and a V-6 will fit under the hood.  Holden is expected to produce the Torana.


G6 Concept- During the 2003 Detroit Auto Show Pontiac unveiled the G6 concept.  This sleek concept furthered GM bold, uncluttered new design vocabulary that was shown at originally in the 2002 Solstice concept. At the time production plans were are ready in place so that the car could replace the aging Grand Am.  It took GM a short two years to get the car from concept to production.  Besides the sedan, Pontiac now offers coupe and hardtop convertible versions of the G6. You can purchase a G6 right now!


Soltice Concept- The 2002 Pontiac Solstice concept is the product of a design completion started by Bob Lutz upon his arrival at GM. The design was taken from sketch to running concept in an amazing 4 months. The concept shows Pontiac's new, uncluttered styling vocabulary in a pure roadster package. Built with many items from GM's parts bin (mainly from the Delta platform), the Solstice concept was powered by a supercharged 2.2L Ecotech engine, which is now found in the Cobalt SS. Due to it's fantastic reception, Bob Lutz ordered the Solstice into production. Built off the new Kappa platform (which in many ways resembles a scaled down Corvette chassis), the Solstice is slated for production as a 2006 model with a starting price, as Lutz promised, of $19,995.


Aero X- Released at the 2006 Geneva Motor Show, the Saab Aero X Concept is an Epsilon II-based coupe that had a canopy top that was by-far an industry first.  Although the canopy top is likely to never make it to production the design of the Aero X will, as it sports Saab's future design chemistry. The prospects of Saab getting a coupe similar to the Aero are high, and there is talk of an Epsilon II based Saab 9-3 coupe.


Aura- How could anyone forget the Aura concept car revealed at the 2005 Detroit Auto Show?  The Aura gave Saturn a new lease on life, and is going to be produced.  Designed in seven of GM’s 11 design centers around the world, the Aura sports European design cues seen on the Opel Vectra (the Aura’s twin), with an interior that some in the media have called a “new benchmark.”  The concept was powered by GM’s global 3.6L V-6, producing 250 HP.  Expect the Aura to hit dealerships in Summer 2006, looking very close to the concept car.


Curve - Alongside the production Solstice was the Kappa-based Curve concept at the 2004 Detroit Auto Show.  At the time the Curve was to represent a new design direction for Saturn, but since GM has decided that Saturn would get rebadged Opel products, that concept was basically worthless.  A Kappa-based Saturn roadster is going to be produced- the Saturn Sky.

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