Electric Cars in UK Last as Long as Petrol and Diesel Vehicles, Study Finds

Battery cars on Britain's roads are lasting as long as petrol and diesel cars, according to a study that has found a rapid improvement in electric vehicle reliability. From a report: An international team of researchers has estimated that an electric car will have a lifespan of 18.4 years, compared with 18.7 years for petrol cars and 16.8 years for diesels, according to a peer-reviewed study published on Friday in the journal Nature Energy. The findings were based on 300m records from compulsory annual MOT tests of roadworthiness.

Automotive engineers have long suspected electric cars will be more reliable than petrol or diesel cars, because they contain many fewer moving parts. Data has been limited, however, because the earliest mass-market electric cars are only just reaching the end of their lives. The researchers, from the University of Birmingham, the London School of Economics, the University of California San Diego, and the University of Bern, Switzerland, used MOT data to estimate the failure rate of all cars -- ignoring scrappage in the first few years, which is most likely to be related to accidents. The analysis found that Tesla cars had the longest lifespan among battery cars.

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