There are lots of reasons why people buy cars, from a change in circumstances, such as becoming a parent, to retiring. But when it comes to why people keep their cars and stick with the same brand year after year, there’s one factor that has the biggest influence: reliability.
If your car regularly breaks down and leaves you stranded, or even if it just suffers from a plague of minor faults that require regular trips to the garage, you’re far less likely to pick the same brand again.
That’s why we asked owners of 14,208 cars to tell us if their cars had suffered any faults in the past 12 months. Faults were classified into 14 groups: battery, bodywork, brakes, engine, engine electrics, exhaust, exterior lights, fuel system, gearbox/clutch, interior…