Market overview: Which Jeep models are currently the most popular on the used car market? AutoUncle has analysed 515 used Jeep cars that are currently for sale at 43 dealerships. The three most popular Jeep models as used cars are: Avenger, Avenger EV, Compass. Prices start at around £18,900, and the average price for a Jeep on today’s used car market is £28,658.