For a company that makes so much of its engineering skills, Audi's approach to the science of car building is not as straightforward as you might imagine. Take the S4 Avant as an example.
In the current wintry weather, the last thing you want is dodgy wipers. But we've learned that's exactly what some new Audi A3 owners are experiencing.
Don't let the big wings and alloy wheels fool you. Some of today's so-called hot hatches aren't the tarmac-munching supercars the manufacturers would have you believe.