Is there that many 10 year old Renault's?
Surely it's down to maintenance, so more to do with owners. Maybe Renault owners skimp on maintenance?
My friend is a Renault mechanic.
Also, have unfortunate personal experience of owning Renaults.
1. They can be extremely fiddly to maintain.
Example, failed headlight bulb.
My mate told me that they quoted £50 to replace headlight bulb.
Customer would say no thanks, only to sheepishly return and book it in anyway.
Mate told me it was an easy job, if your wrist was triple-jointed, and you knew exactly how to position the bulb blind......
2. They can be very expensive to maintain and repair.
New electric window motor, even with mate's works discount; £250.
3. Just not that great.
I had a company car (Renault) from new, that went back time after time. Low oil constantly, going through the lot inside a month. Time and again, Renault couldn't find a leak.
Eventually told me it was probably burning it, and to live with it.
For a low - mileage, Renault-serviced car, rubbish having to put 5ish litres of oil in every six weeks.....
Perhaps owners give up?