Wsm Ignition Coil 004-150 on 2040-parts.com

Ariel's Atom returns faster than ever

BRITISH firm Ariel has announced an upgraded version of its sensational Atom sportscar that is faster than ever, making it one of the quickest cars on sale today. The Atom 3.5R showcases a number of upgrades over the outgoing model which contribute to the sensational performance. The 2.0-litre Honda V-TEC engine has had its supercharger revised to give 350bhp and over 240lb.ft of torque, while the gearbox is now a six-speed paddleshift system that can manage five downshifts in less than a second.

Mercedes-Benz S 600 V12 revealed at Detroit Motor Show

The Mercedes-Benz S-Class is unofficially known as the best car in the world… and the firm has now revealed the model that could make that title official – the new V12-engined long-wheelbase S 600 range-topper. Boasting a 530hp 6.0-litre biturbo V12, the new S 600 can accelerate from 0-62mph in just 4.6 seconds… but, thanks to ECO stop/start, it can also average over 25mpg, a 21% improvement on the old car. Just as importantly, it also promises an unparalleled luxury car experience.

Buick revives Regal name for upcoming sedan

Buick confirmed on Wednesday that it's resurrecting the Regal nameplate for its next midsize sedan. Additional details weren't announced, but the car is expected to arrive on the market next year or in 2011. Though the Regal name has been mothballed for about six years, Buick says it remains one of the brand's most recognizable.