Which? Car Survey Car reliability

Discover the most and least reliable cars you can buy, plus brand reliability data and our unique Car Reliability Check tool - all based on feedback from thousands of owners.

Peugeot 107

Most and least reliable cars

We reveal the top 5 and bottom 5 new cars for reliability

Car manufacturer logos/badges

Car reliability: best car brands

Find out which car brands you can depend on - and which could leave you fuming

Which? Car Reliability Check

Discover what's most likely to go wrong with your car using our interactive reliability tool