Mercedes-Benz Brabus SV12 S Biturbo Roadster

Equipped with the Brabus SV12 S Biturbo twelve-cylinder twin-turbo engine that delivers 730 bhp, the SL 600 turns into the world's most powerful roadster. 0 - 60 mph in 3.8 seconds and 124 mph after just 10.9 seconds speak to its prowess as does its top speed electronically limited to 217 mph.

More power by increasing displacement is one of the core philosophies behind the Brabus SV12 S Biturbo engine. The displacement of the twelve-cylinder three-valve engine is increased from 5.5 to 6.3 liters with the help of a billet steel crankshaft, larger cylinder bore, special pistons and piston rods.

Rated power output jumps from standard 517 bhp at 5,000 rpm to 730 bhp at just 5,100 rpm. Simultaneously peak torque grows from 613 lb-ft to 974 lb-ft, available from 2,100 rpm. Custom engine mapping ensures that peak torque in the car is limited electronically to 812 lb-ft.

2007 Audi S3

The S3 redefines the standards of its class – at the level of a sports car. The sprint to 60 mph is accomplished in 5.5 seconds, and acceleration is only halted on reaching 155 mph. Aggressively hard-hitting, free-revving and with a sonorous acoustic profile, the powerful two-liter, turbocharged four-cylinder unit with FSI petrol direct injection proves to be a smooth, high-performance engine.

This power is transmitted by the six-speed gearbox and quattro permanent four-wheel drive to large alloy wheels with an 18-inch diameter. The new S sports suspension system on the S3 enables an extremely sporty driving style combined with the ultimate in comfort.

The interior conveys an atmosphere of sportiness, with materials of the highest quality and painstaking craftsmanship.

The power plant of the S3 delivers all that is expected of a powerful sports engine, and does it supremely well. The 2.0 TFSI, which combines direct injection and turbocharger technology, delivers 265 bhp at 6,000 rpm. And at just 2,500 rpm it already musters up an impressive 258 lb-ft of torque – this pulling power remains constant up to 5,000 rpm.

In terms of handling, the Audi S3 exhibits all the qualities of a high-performance sports car; it responds immediately to steering movements and achieves high cornering speeds.

2006 Bentley Continental GT Birkin Edition by MTM

The German tuner MTM made a special package for customers who want more power from the Bentley Continental GT. With recalibrated engine electronics and optimized exhaust system, the twin-turbo W12 engine delivers 650 bhp at 6150 rpm and 587 lb-ft at only 1650 rpm. A set of MTM "bimoto" wheels and a suspension kit rounds up the package. In Germany, the package costs $28,000.