Market overview: Which Isuzu models are currently the most popular on the used car market? AutoUncle has analysed 428 used Isuzu cars that are currently for sale at 44 dealerships. The three most popular Isuzu models as used cars are: D-Max, Pick up, Rodeo. Prices start at around £5,499, and the average price for a Isuzu on today’s used car market is £20,365.