Well, looks like VW is the most and least reliable car. Add in Land Rover for least reliable as well, and I guess I see why I have so many problems.
MOST RELIABLE CARS
Supermini: Honda Jazz/Skoda Fabia
Mini MPV: Skoda Roomster
Medium car: Volvo C30
Large car: Honda Civic Hybrid
Luxury car: Mercedes-Benz E Class
MPV: Honda FR-V/Seat Altea/
VW Golf PlusOff-roader: Lexus RX
Sport & Coupe: Audi TT/Mazda MX-5
LEAST RELIABLE CARS
Supermini: Fiat Grande Punto
Mini MPV: Suzuki SX4
Medium car: Honda Civic/Citroen C4
Large car:
VW Passat/Citroen C5
MPV: Ford Galaxy/Ford S-Max
Off-roader: Land Rover Discovery 3
Sport & Coupes: Mercedes-Benz SLK
Source: Which? Car