Bentley Bentayga Speed world's fastest production SUV at 306 kmph

British automaker Bentley has claimed its new all-wheel-drive Bentayga Speed, which goes from 0-100 kmph in just 3.9 seconds, is now the world's fastest production SUV with a top speed of 306 kmph. Powered by a 6.0-litre W12 engine, the SUV develops 626 brake horsepower. Until now, Lamborghini Urus was the world's fastest production SUV with 305 kmph top speed.