Market overview: Which Jeep models are currently the most popular on the used car market? AutoUncle has analysed 103 used Jeep cars that are currently for sale at 43 dealerships. The three most popular Jeep models as used cars are: Compass, Renegade, Wrangler. Prices start at around £8,395, and the average price for a Jeep on today’s used car market is £15,934.