About our car reliability survey
How we report on the most reliable and satisfying cars.
How we report on the most reliable and satisfying cars.
Our survey of 9736 cars shows which brands are best for reliable motoring, which have the most satisfied owners and which cost the least to maintain and repair.
Our survey was conducted during June and July 2019. We received data on 9736 cars. We only analysed makes or models that received more than 30 samples.
We wanted to know about reliability problems that happened in the past year. In a change from our 2018 survey, where we categorised the faults, this time we asked respondents to tell us if they thought the fault was serious, major or minor.
Our reliability index, scored from zero to 100, includes faults reported in our survey – with more weight given to serious faults and less to minor niggles.
To achieve a perfect score of 100, a brand or model would need to have no faults reported. Spoiler alert: no brands or models in our survey scored 100.
Our index allows for age: if a brand or model has better (or worse) reliability than you’d expect for the age of the cars in its sample, our index accounts for it. This means brands and models with older cars aren’t penalised unduly.
We asked owners how satisfied they were with their car and if they’d recommend this make and model to family and friends. Answers were rated on a 0-10 scale; we considered a rating of 8-10 as “very satisfied” or “very likely to recommend”.
We asked about satisfaction with different aspects: fuel economy, comfort, driving performance, safety features, size and practicality, interior styling and equipment and value for money.
We also asked “given your experience with this car, would you still have chosen this make and model at the time you purchased it?”
Finally, we asked owners to tell us how much they’d spent on servicing and repairing their car in the last year. Servicing included regular costs to maintain their car, including WOF fees and replacing wear and tear items such as tyres. Repair costs covered everything else – breakdowns and unplanned repairs.
Should you buy new or used? What should you look out for when buying from a dealer, and what are you rights? We’ve tackled the big questions around buying and owning a car.
Our annual car reliability survey reveals which cars are most reliable and satisfying to own. See which cars and makes were the winners.
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