which presents an interesting picture of which are best for overall line-up reliability and which have demonstrated unrealiability across their ranges. Here then are the most unreliable car brands.

A recent analysis of vehicle history checks conducted by CarVertical, a VIN check service and vehicle history reporting company, has revealed the most reliable used car brands, and the findings ...

These scores are represented by a star rating, with one star being the worst and five the best. To see how individual cars scored for reliability, see our guide to the most reliable cars.