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Data release ·

Most reliable used cars 2026: BMW 5 Series has the best MOT record of the UK's most common used cars; Dacia Sandero the worst

The BMW 5 Series is the most reliable of the UK's most common used cars, 36% less likely to fail than the average car of the same age and mileage, according to CarComparison's analysis of 30.8 million 2024 MOT tests. The Dacia Sandero is the least reliable, 56% more likely to fail than the average car of the same age and mileage.

Key findings

Most reliable common used cars

#CarScoreFailed first timeMOT tests
1BMW 5 Series15720.3%198,590
2Audi A615520.9%122,625
3Audi Q515316.6%106,524
4Land Rover Range Rover Sport14820.3%117,153
5Land Rover Range Rover14719.1%100,397
6Audi TT14122.5%101,374
7MINI Countryman13916.3%104,015
8BMW 4 Series13816.4%103,945
9Audi Q313716.9%126,119
10Land Rover Range Rover Evoque13717.7%163,043

Least reliable common used cars

#CarScoreFailed first timeMOT tests
1Dacia Sandero6431.6%103,287
2Renault Clio7142.9%310,528
3Peugeot 20087526.8%125,805
4Vauxhall Mokka7629.1%227,798
5Renault Megane7845.7%100,983
6Peugeot 2087829.4%202,735
7Peugeot 2077849.9%135,831
8Ford EcoSport7821.9%100,016
9Citroen C47840.4%133,993
10Fiat 5007932.1%334,216

Least reliable first.

Most reliable in each class

Among models with at least 50,000 tests.

Notes for editors