You clearly don't drive in a location that heavily salts roads! Here, a 15 year old car with 50,000 km is only marginally better than a 15 year old car with 200

You clearly don't drive in a location that heavily salts roads! Here, a 15 year old car with 50,000 km is only marginally better than a 15 year old car with 200,000km - and it's mostly because the lower mileage car has probably been driven less in the winter.