this also can be done on multiplayer with a boosting partner, go versus, private match online or local, put the map on a bridge to far, set the starting money on 10k, once the game starts go to your vehicle depo buy the heavy tank for £3k. have your boosting partner set up a turret (machine gun) in any of the circles, once your tank has arrived, take controll, drive over to turret, and shoot till its blown up then the achievement will pop