The Toyota Crown , already ranked as the most fuel - efficient car in the world , is now the least expensive car to run over a 10 year period , with an average maintenance cost of $ 4,300 . That is also when most owners sell their cars—or simply stop repairing them as diligently, often addressing only problems severe enough to prevent them from running. Toyota also took first place in the least expensive brand of car to run . The report by YourMechanic also reported a trend in running costs of higher luxurious car brands , specifically German and American cars being more expensive to run than Asian manufactured cars .
The Toyota Crown , already ranked as the most fuel - efficient car in the world , is now the least expensive car to run over a 10 year period , with an average maintenance cost of $ 4,300 . Toyota also took first place in the least expensive brand of car to run . The report by YourMechanic also reported a trend in running costs of higher luxurious car brands , specifically German and American cars being more expensive to run than Asian manufactured cars .