Top Gear, Series 2

Richard:
Now, this is really quite simple, OK? Understeer works like this: [moving a model of a Ford Focus in a straight line] you drive down the road, turn the [steering] wheel, but the car goes straight on, crashes into a tree and you die. OVERsteer works like this: [moving a model of a BMW 3-series] you drive down the same bit of road, turn the wheel, but the back of the car comes round like this [showing how the car fishtails 180 degrees], and you go off the road, crash into a tree and you die. Now, oversteer is best, because you don't see the tree that kills you.