Newbie with a 2016 Work Truck. Bought used but it's the newest car/truck I've ever owned. 5.3L but 3.08 gears so it can't tow squat compared to 6.2L or Duramax or even the 4.3L with 3.73 gears. Fortunately, I intend to haul more than tow so it works out great.