Hottest new cars , Koenigsegg one:1

Swedish sports car company Koenigsegg has announced plans for a 1,400 hp coupe that weighs just 1,400 kg.

The mathematically named one:1 will feature a carbon fiber chassis and twin-turbocharged V8 capable of propelling it to 250 mph in 20 seconds and on to a theoretical top speed of 280 mph, which would make it the fastest car in the world. Ever.

Audi Sport quattro Concept

A homage to the past and a possible look at the future, the Audi Sport quattro Concept celebrates the 30th birthday of the automaker's ground-breaking  Sport quattro rally car with a high-tech update

Under it's stubby, but powerful-looking upright form is an all-wheel-drive hybrid drivetrain powered by a twin-turbocharged V8 and electric motor that puts out a combined 690 hp, can accelerate the car to 60 mph in 3.7 seconds, a top speed of 189 mph and operate in all-electric mode around town. That's right, it's a hybrid.

Ferrari 458 Speciale

The name says it all. With a boost in power to 597 hp, the 458 Speciale's screaming V8 can accelerate it to 60 mph in 3.0 seconds and 124 mph in 9.1 seconds.

Aston Martin CC100 Speedster Concept

Built to celebrate the company's 100th birthday, the CC100 Speedster echoes Aston Martin's classic racing cars while offering a peek at its future design. Powered by a 600 hp V12, the carbon fiber two-seater is said to embody the soul of the British automaker through the embrace of its sporting heritage and adventurous spirit.

This one would be an awesome addition to the Forza 5 franchise...

http://www.foxnews.com/leisure/slideshow/2013/10/04/hottest-new-cars/?intcmp=features#slide=1