DETROIT - The North American International Auto Show begins this week in Detroit with media and industry previews. 鈥?FORD GT: Ford stunned the crowd with its new GT, a high-performance supercar. The lightweight, carbon fiber GT has a twin-turbocharged 3.5-liter EcoBoost V6 engine that produces more than 600 horsepower. The two-seater has deep, dramatic scoops in the hood and the sides and advanced aerodynamics, including a deployable rear spoiler. It鈥檚 Ford鈥檚 first GT in more than a decade; the last was made from 2004 to 2006. It鈥檚 coming out now to honor the 50th anniversary of the original GT40鈥檚 1966 victory in the 24 Hours of Le Mans. Ford Executive Chairman Bill Ford says the new GT will go on sale late next year, in the U.S. Production will be limited, but no numbers were given. Ford isn鈥檛 yet saying where it will be built. 鈥?ALFA ROMEO 4C SPIDER: A convertible version of the 4C coupe with a removable carbon-fiber hard top. It has a 1.75-liter turbocharged engine that puts out 237 horsepower mated to a six-speed dual-clutch transmission.

DETROIT - The North American International Auto Show begins this week in Detroit with media and industry previews. 鈥?FORD GT: Ford stunned the crowd with its new GT, a high-performance supercar. The lightweight, carbon fiber GT has a twin-turbocharged 3.5-liter EcoBoost V6 engine that produces more than 600 horsepower. The two-seater has deep, dramatic scoops in the hood and the sides and advanced aerodynamics, including a deployable rear spoiler. It鈥檚 Ford鈥檚 first GT in more than a decade; the last was made from 2004 to 2006. It鈥檚 coming out now to honor the 50th anniversary of the original GT40鈥檚 1966 victory in the 24 Hours of Le Mans. Ford Executive Chairman Bill Ford says the new GT will go on sale late next year, in the U.S. Production will be limited, but no numbers were given. Ford isn鈥檛 yet saying where it will be built. 鈥?ALFA ROMEO 4C SPIDER: A convertible version of the 4C coupe with a removable carbon-fiber hard top. It has a 1.75-liter turbocharged engine that puts out 237 horsepower mated to a six-speed dual-clutch transmission.

The Spider is the second Alfa to arrive in the U.S. 鈥檚 planned comeback here, but it and the 4C will be difficult to get. FiatChrysler says only 3,000 will be built by hand in Italy, and fewer than half of those will be convertibles. Alfa says U.S. customers are waiting as long as 18 months to get one. 鈥?VOLKSWAGEN CROSS COUPE GTE CONCEPT: It鈥檚 Volkswagen鈥檚 third concept previewing a seven-passenger midsize SUV. The goal is to start producing it in the U.S. 2016. Volkswagen says the five-passenger plug-in hybrid Crosse Coupe GTE, with its upscale, muscular design gives the clearest idea yet of the SUV鈥檚 styling. Among its most prominent features is a wide, aluminum-framed air inlet below a narrow, two-bar grille. With four doors, it鈥檚 not a true coupe, but does have a slanted, coupe-like roofline. Under the hood is a 276-horsepower 3.6-liter V6 and two electric motors, which can power the car in electric mode for up to 20 miles or can combine with the gas engine for a total of 355 horsepower.

鈥?MERCEDES GLE450 AMG SPORT COUPE/ AMG GLE63 COUPE: Mercedes takes on the BMW X6 SUV with its four-door GLE Coupe, a crossover version of the midsize E-Class sedan. It has a coupe-like roofline and a wide, tough stance. In the U.S., the GLE 450 AMG 4Matic Coupe will go on sale with a 362-horsepower V6, a nine-speed transmission and all-wheel drive. It鈥檚 Mercedes鈥?first AMG sports model, a new designation promising lots of driving features 鈥?like variable controls depending on road conditions 鈥?at a lower price point than the traditional AMG. At the top of the line is the Mercedes-AMG GLE63 S Coupe, powered by a 577-horsepower, 5.5-liter V8 that accelerates from 0 to 60 mph in 4.2 seconds. Look for both versions in the U.S. 鈥?RANGE ROVER HSE Td6: The British SUV brand 鈥?owned by India鈥檚 Tata Motors 鈥?will offer an optional diesel in the Range Rover and Range Rover Sport starting this fall, a first for North America.

The Range Rover鈥檚 3.0-liter Td6 turbocharged V6 gets 254 horsepower and improved towing capability. The diesel-equipped Range Rovers will get 25 mpg in combined city and highway driving, a 32 percent improvement over the supercharged V6 gas engine. Competitors include the Mercedes-Benz GLK250 BlueTEC and the BMW X5 xDrive35d. 鈥?INFINITI Q60 CONCEPT: Infiniti previewed the design of its upcoming Q60 coupe with a concept car. It鈥檚 got sharper, more precise styling than the current Q60, along with a more aggressive grille and narrowed headlights. Under the hood will be Infiniti鈥檚 new turbocharged 3.0-liter V6. This is no design study; Infinit says the Q60 that will go on sale next year will be strongly influenced by the Q60 concept. Nissan鈥檚 luxury brand could use the boost. U.S. Infiniti sales have fallen over the last two years as the brand announced plans to revamp and rename its models and struggled with low quality rankings. 鈥?BUICK CASCADA: General Motors introduced the Cascada, a Buick version of a stylish Opel convertible from Europe. The four-seat Buick is the brand鈥檚 first convertible in 25 years. It has an insulated soft top that can be opened in 17 seconds with the car traveling at up to 31 mph. It also has a turbocharged 200 horsepower engine and a safety system that deploys rollover protection bars behind the rear seats if the car detects that a crash is possible.