Smart cars can be driven 150,000 miles before serious issues begin to occur. Many Smart car owners have owned their vehicles well past the 150,000-mile mark by keeping up with regular maintenance. Some Smart car owners have reported mileage of 200,000.

Do Smart cars have a lot of problems?

In conclusion, Smart aren't that reliable. Owners have reported a lot of faults and ReliabilityIndex has been less than kind, particularly to the forfour. That said, there are some owners that have said they have had no trouble with their Smart model, and have scored it highly for reliability.

How long does the engine on a Smart car last?

Most Smart car engines will last about 150,000 miles before they begin to require serious repairs. Some Smart car owners have reported their engines lasting as long as 200,000 miles with proper maintenance and care. For context, most modern car engines will last for about 200,000 miles or approximately 10 years.