Mazda MX-5 named most reliable convertible

Mazda's MX-5 roadster has been named the most reliable used convertible in a new survey by Warranty Direct.

Based on the company's Reliability Index, which took into account the frequency of failure, cost of repair, duration of repairs and average age and mileage, the MX-5 was seen to be twice as reliable as the Vauxhall Tigra, and also had the smallest maximum repair costs on the list.