Most (and least) reliable electric cars | What Car?

BMW i3 2018 front cornering

Reliability rating: 94.1%

While it impressed with its low fault rate last year, the story is a bit different for the i3 in 2021, because just over one in five cars (22%) experienced an issue. The two main culprits were the bodywork and non-motor electrics, but 18% of cars were taken off the road by their problems. A further 18% took more than a week to repair, and 9% of owners had to pay between £201 and £300 to have their car to be fixed. 

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3. Kia e-Niro (2019-present)

Kia e-Niro 2020 RHD front right cornering

Reliability rating: 95.8%

Just 8% of e-Niro owners reported faults with their cars, and these were mostly with the battery or motor electrics. However, a staggering 71% of vehicles were rendered undriveable by their issues, and 57% took more than a week to fix. It’s a good thing, then, that all repairs came at no cost to customers.

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2. MG ZS EV (2019-present)

Electric Car of the Year Awards 2021 - MG ZS EV

Reliability rating: 96.5%

The ZS EV’s reliability rating is 7% better than it was last year, taking it from one of the least reliable electric cars to the second most reliable. While 13% of owners reported faults, they were mostly bodywork issues, and all the cars could still be driven. None of the owners had to pay for repair work, but 40% of customers did have to wait longer than a week for their car to be fixed.


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