A CAR mechanic with years of experience has revealed there’s a key reason why you should never buy a second hand electric vehicle. Scotty Kilmer took to his popular YouTube channel to advise you should never buy a used electric car at an auction. 2 Scotty Kilmer advises you should never buy an electric vehicle at an auction Credit: Youtube /@Scotty Kilmer He said: “Electric cars are so expensive to fix. “If it’s at an auction there’s probably some serious problem. “If the battery’s degraded… Phew, they’re expensive, they cost a fortune. “Now you can get a manufacturer’s refurbished one for a couple of thousand, or something like that. “But they’re just repaired old batteries… and if it’s 12 years old and if it’s been refurbished it may last a year. “It won’t have full power and you may only get 50-60 per cent. “So unless you want to make a toy out of it, I’d run away from that thing.” “I would never, ever buy any electric car at an auction.” Most read in Motors DEADLY INTENT Chilling images show killer at train station where he stabbed boy to death FOR KEEPS Butland's new nickname revealed as Rangers teammates rave about Servette heroics ‘TRUE WARRIOR’ DIY SOS star dies aged 47 after 10-year health battle Servette 1 Rangers 1 (Agg 2-3) Tavernier bags £4.3m goal as dream of UCL jackpot lives on He added that at an auction you can’t get an expert to check it out to make sure everything is working properly. Scotty advised it was best to "stay well away.” The expert, who has 55 years experience, has also given three reasons why EV prices are falling . Elsewhere, the five most common complaints about EVs have been revealed - and how you can fix them. It comes after an urgent warning was issued over EVs after a serious problem with their security was revealed. Meanwhile, a motors expert found himself trapped in the middle of the night while testing out the EVs with the longest stated ranges in the UK. A chauffeur has also claimed that EVs are proving to be a nightmare for drivers and their passengers - even on short journeys. 2 At an auction you won't be able to see if there are any faults with the vehicle Credit: Youtube /@Scotty Kilmer