Market overview: Which Volvo models are currently the most popular on the used car market? AutoUncle has analysed 101 used Volvo cars that are currently for sale at 44 dealerships. The three most popular Volvo models as used cars are: XC90, C70, XC70. Prices start at around £1,495, and the average price for a Volvo on today’s used car market is £5,780.