Top Gear On Ice: Audi A1 quattro
A tiny 249 bhp A1 quattro. Excited? You should be.
Posted: 05 Apr 2012
Older versions of this system were a bit clunky - they required actual wheelspin from the front wheels to force the rear wheels into play - but this more modern version has a separate pressurised reservoir that can snap various valves shut and get the back end pushing in milliseconds. Quicker than your brain can figure it, anyway. Quicker and more focused, if I'm any judge, than that RS3. And if a single wheel starts to slip at either end, there's an EDL (electronic differential lock) to brake away useless wheelspin and keep you heading in the right direction.