They rely on a fluid, rather than a mechanical clutch, to transmit the engine's torque to the wheels, and this is inefficient.

ECONOMIST: Fuel economy

Or would you more likely grow weary of the C30 Polestar, with its daily experiments in turbo'ed torque-steer, its girlie clutch, and its wildly over-assisted steering, as numb as a well-digger's bottom?

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The 6.3-liter, naturally aspirated V12 directs more than 500 pound-feet of torque through the seven-speed, dual-clutch rear transaxle.

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