2015 Ram 2500 HD Cummins 4x2: Highway MPG Economy Run [Video] - The Fast Lane Truck
2024 GMC Sierra 2500 Duramax vs RAM 2500 Cummins: Fuel Economy, Power, and Value — Eightify
CJC Off Road - What kind of fuel economy do you get with your truck? We had lots of questions about fuel economy with this setup so we figured we'd share! Our