NEW MEGA-BENTAYGA USES 641BHP TO OUTDRAG 911, M4

V8-engined Speed SUV also gains launch control and drift mode

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The new Bentley Bentayga Speed has been unwrapped as the brand’s quickest SUV yet, beating its predecessor to 62mph by half a second and going on to 193mph.

It swaps the previous Bentayga Speed's 6.0-litre W12, now retired, for a twin-turbocharged 4.0-litre V8 that puts out 641bhp and 627lb ft - a gain of I5bhp and a loss of only 37lb ft.

The smaller powerplant also plays a significant role in cutting the Speed's kerb weight by 42kg to 2466kg.

Helped along by a new launch control function, the super-SUV is now capable of completing the 0-62mph dash in 3.4sec, beating the 3.9sec and 4.5sec sprint times of the old Speed and the V8-engined s.