I'll nominate my Saab 9-5 estate auto.
Only had it a couple of weeks and last night getting home from work was one of the worst driving experiences I've ever had. Tyres are decent mid range with 6mm + of tread. In fairness, I had to make a detour after 'just' managing to stop at the top of a steep hill and seeing the car in front slide 50 yards down the hill into a wall, so it was very slippy but the slightest incline up or down was a nightmare. I even had it in winter mode and tried every gear combo from drive to 1