The M6 has always been an impressive performer, but it now also has the polish one expects in a $100,000 coupe. On sale: September Base price: $106,995 Engine: 4.4L twin-turbo V-8, 560 hp, 500 lb-ft ...

The engine’s torque, on the other hand, gets a significant boost from technological advances. The new M8 makes 553 lb-ft of twist across the curve, with the M6 making only 516 lb-ft.

The drop-top gets the same meat-eating 4.4-liter twin-turbo V8 as the M5 and the M6, which hits 560 hp from 5,750 rpm to 7,000 rpm, while peak torque lays across a long, ludicrously flat 500-lb-ft ...

The car's 5.0-liter V10 has been upped by 494 hp and 280 lb-ft of torque to give the M6 a Veyron-equaling 1,001 hp and 665 lb-ft of torque.

The 4.4-litre engine develops a peak output between 5,750 and 7,000 rpm, while its maximum torque is there between 1,500 and 5,750 rpm. Redline: 7,200 rpm and it's limited electronically form ...

The 4.4-liter, twin-turbo V-8 engine also makes 15 lb-ft more torque than the standard M6 in Competition Package cars, for a total of 516 lb-ft. BMW already showed off a similarly powerful version ...

The stock engines have the same power but the Audi has a plus on torque, topping BMW's 501 lb-ft (680 Nm) of torque by 16 lb-ft (20 Nm). However, as the M6 proved it many times, in real life ...

Even more extreme than the 950 HP, is the torque (unknown). When stock, the E63 AMG S packs 585 PS and no fewer than 800 Nm of torque. That’s 590 lb-ft!

Try this one on for size: BMW already dropped the full details on both the new M6 coupe and convertible, but only the hardtop makes its debut here at the 2012 Geneva Motor Show. We'll have to wait ...