20 most unreliable used small cars

The right small car can make a very affordable used buy, but choosing the wrong model could land you with sizeable repair bills as time goes on...

20 most unreliable used small carsImage 1 of 21

Many of the most popular small cars can be scooped up second-hand for bargain prices, and the best of the bunch promise fun handling, plush interiors and plenty of boot space for family duties. However, an unreliable model could have you reaching for your wallet all too often.

That's where the What Car? Reliability Survey, compiled in association with MotorEasy, comes in. We asked owners how reliable their cars had been over the previous 24 months to discover which models went wrong, how long they spent being repaired and how much those repairs cost.

Here, we reveal the 20 most unreliable used small cars, aged six to 20 years old, that you may want to steer clear of.