Not simply driving a 15 year old car, but keeping a car for 15 years or more. Quite different! I see a lot of 15 year old cars driving around in the UK (age of

Not simply driving a 15 year old car, but keeping a car for 15 years or more. Quite different! I see a lot of 15 year old cars driving around in the UK (age of car is easy to gauge here, as it's encoded in the number plate) - I expect most will have changed hands at least once.