Here is a salutary tale on winter driving. I recover cars for a Jaguar Land Rover repair contractor and was called to Gaydon to collect a JLR company Range Rover Sport diesel. A new car, it is allocated to an employee and sits on Continental 4x4 Contact tyres, size 275/40 R 20 (so huge, very low profile and fat as a banker). Standard issue from new, and about 1/2 worn.

The driver was making a right turn, perhaps at a roundabout, and at sufficient speed in fresh snow that the car slid heavily sideways into the LH kerbstones and damaged both LH wheels and the suspension, with car out of action for a week I'd say. Now, would that have happened to a 2WD car on winter tyres? I'd say almost certainly not. The driver had too much confidence in his vehicle, believing a RR Sport can defy the laws of physics. Even 4x4s need proper tyres for the conditions. Training and judgement are all-important in motoring, of course. Oh yes, we took it away in snow on a 2WD truck, of course.