Following some earlier teaser shots, Saleen has finally taken the wraps off its 2010 S281 at the SEMA Show in Las Vegas. Based on the 2010 Ford Mustang GT, the all-new model promises a significant performance upgrade over the outgoing model.

Prior to Fiat’s acquisition of Chrysler, there were concerns the Viper would be discontinued for good. But one of Fiat’s first announcements after taking the helm was the Viper would live on. Today, Dodge brand CEO Ralph Gilles announced that the automaker’s iconic high performance flagship will get a new lease on life for the 2012 model year when a fresh replacement bows.

Following Tuesday’s rumors, Toyota today officially announced its withdrawal from Formula One racing. “We are pulling out of Formula One completely,” CEO Akio Toyoda told the media at a press conference. “I offer my deepest apologies to Toyota’s many fans for not being able to achieve the results we had targeted.”

Toyota’s full-size Tundra pickup isn’t a typical selection for a retro-style hot rod custom, but that didn’t stop the Japanese automaker from creating its own 1950s-style muscle truck at the 2009 SEMA Show in Las Vegas.

U.S. car sales were pretty weak throughout 2008, but it wasn’t until October of that year that bottom truly fell out (along with the rest of the economy). With figures for October 2009 now available, it appears sales are remaining stable, with some small increases and some small decreases — almost all of them within a narrow and stable band.

Toyota’s popular Prius hasn’t been a hot vehicle for customizers, but that could all change with increased interest in highly-efficient green technologies, as Toyota’s Prius Aerius concept shown at the 2009 SEMA Show in Las Vegas shows.

Jeep has taken the wraps off its Lower Forty concept at the SEMA Show in Las Vegas. Based on the Jeep Wrangler, Jeep engineers have thoroughly reworked the Vegas concept, including the addition of 20-inch wheels and 5.7L HEMI V8 engine.

Jeep’s venerable 4.0-liter inline-six has been out of production since 2006, but that isn’t stopping the Michigan automaker from introducing a high-performance “Stroker” 4.7-liter available through the company’s Mopar division.

Previewing a future color to be available on a limited edition model during the first half of 2010, Chevrolet unmasked the Camaro Synergy concept at the SEMA Show in Las Vegas. In addition to the future Camaro color, the concept also features a host of available GM accessories.

With Hummer and Saab sold off — and Pontiac and Saturn shuttered — General Motors is on a roll with its brand reduction strategy. But Opel, GM’s German subsidiary, won’t be joining either list. Late Tuesday, GM announced it has cancelled plans to sell Opel and will instead keep the company as part of its global lineup.

Chrysler’s intention with the Dodge Challenger 1320 Concept, presented earlier today at the 2009 SEMA Show in Las Vegas, is to offer a street-legal, drag racing-oriented version of its Challenger SRT8.

Ford may have EcoBoost, but General Motors has beaten the Blue Oval to the twin-turbo pony car punch, unveiling the Jay Leno Chevrolet Camaro earlier today at the 2009 SEMA Show in Las Vegas.

Rhys Millen Racing and Hyundai officially unveiled the long-awaited mid-engined Hyundai Genesis RM460 coupe earlier today at the 2009 SEMA Show in Las Vegas.

At the 2009 SEMA Show in Las Vegas, Hyundai partnered with a handful of selected aftermarket tuners to show the possibilities available to owners of the Genesis Coupe.

Aston Martin this week released dozens of new high-resolution images of its 2010 Rapide sports sedan. Our gallery now contains 57 photos showing the car in a variety of real life and studio settings.

Subaru vehicles are best-known for their foul-weather prowess, but not everyone needs the rugged ability to traverse six-inches of freshly fallen snow. In recognition of that relatively untapped market segment, Subaru has unveiled the Legacy GTk at the SEMA Show in Las Vegas.

Lincoln’s all-new MKT crossover has a distinctive style of its own, but that didn’t stop Ford and customizer Rick Bottom of Mendotta, Illinois, from applying a unique look to the car to create the Panache concept.

After Ford introduced its heavily upgraded 2011 Super Duty trucks earlier this year at the State Fair of Texas auto show, it was only a matter of time before the Michigan automaker unveiled a commercial-grade concept.

Ford’s Taurus SHO may have just arrived in dealers recently, but that’s not stopping rapper Funkmaster Flex from adding his unique style to the high-performance Ford four-door.

The Pontiac Firebird Trans Am may have died off after the 2002 model year, but the Trans Am Depot has brought the Screaming Chicken back to life at the 2009 SEMA Show in Las Vegas. Dubbed the Trans Am Concept, the classically designed black and gold ‘Bird is almost the perfect representation of a modern day Trans Am.