3.0L Duramax Towing at 7,500 lbs: Why Trailer Shape Kills MPG More Than Weight
The 3.0L Duramax handles 7,500-lb trailers with ease, but fuel economy swings wildly based on trailer shape — not just how heavy the load is.
The 3.0L Duramax handles 7,500-lb trailers with ease, but fuel economy swings wildly based on trailer shape — not just how heavy the load is.