Hot cars unveiled at the 2014 Detroit auto show

The North American International Auto Show, known as Detroit auto show, is where the global car companies come together to showcase their latest products. Here, Matthias Muller, president and CEO of Porsche AG, introduces the Porsche 911 Targa. Porsche is dialing up the 911 with two new models, the Targa 4 and 4S. As with the original 1965 Targa, the new models feature a roof bar, movable front roof section and wraparound rear window. (Photo: AP)

The BMW M4 coupe debuts at the North American International Auto Show in Detroit. (Photo: AP)

The BMW M235i was introduced at the North American International Auto Show in Detroit. (Photo: AP)

The Mercedes S-Class Coupe concept car was showcased at the North American International Auto Show in Detroit. (Photo: AP)

General Motors rolled out a new version of the Corvette Stingray, called the Z06, with a staggering 625 horsepower supercharged V8 engine. (Photo: AP)

The Chevrolet Corvette C7-R debuts at media previews during the North American International Auto Show in Detroit. (Photo: AP)

Hyundai is counting on the revamped Genesis full-size luxury car to pull buyers from market leaders Mercedes and BMW and help the Korean automaker recover from two years of lackluster U.S. sales. (Photo: AP)

The 2015 GMC Canyon was unveiled during media previews for the North American International Auto Show. (Photo: AP)

Ford unveiled a new F-150 which is built almost entirely out of aluminum. (Photo: AP)

The 2015 Subaru WRX STI features a four-cylinder, 2.5-liter turbocharged engine with a 6-speed manual transmission that puts out 305 horsepower. (Photo: AP)

Mike Accavitti, senior vice president of automobile operations at American Honda next to the Acura TLX prototype. The Honda luxury brand plans to beef up its sedan line-up with a mid-season enhancement. The new car will come with a new 2.4-liter four-cylinder engine or more powerful 3.5-liter V6. (Photo: AP)

Volvo teased its new XC Coupe concept at the Detroit auto show. (Photo: AP)

Lexus Group Vice President and General Manager Jeff Bracken reveals the new Lexus RC F Coupe at the auto show. The RC F coupe is based on the RC coupe unveiled in November at the Tokyo Motor Show, but it's produced for high performance. (Photo: AP)

The four-seater Kia GT4 Stinger made its debut and features a version of Kia's 2.0-liter turbocharged gasoline four-cylinder engine, with a six-speed manual transmission that packs 315 horsepower. (Photo: AP)

The new Cadillac logo is shown on the 2015 ATS coupe during its debut at the auto show. The coupe is expected to arrive in showrooms this year. (Photo: AP)