The 421hp Mercedes-AMG A45 S is a five-door hatchback that can outpace some supercars. We spend a week driving one. Four hundred and twenty one horsepower. Sheesh. That’s four times the output ...
We take on the famous Top Gear test track in the radical new Porsche 911 GT3 RS. Should The Stig be worried? This review comes live from Dunsfold Aerodrome, better known as the Top Gear test track.