2025 Gmc 2025 Duramax Fuel Mileage

2025 Gmc 2025 Duramax Fuel Mileage. Notably, the figures are similar to that of the outgoing 2023 model. I understand this is a long way from your 2025 question but this is my experience.

Does anyone have any real world data on the 2025 6.6 gas v/s 6.6 diesel fuel economy. Search by make for fuel efficient new and used cars and trucks.