2023 Gmc Sierra 3.0 Diesel Mpg Jeremie Gleichner 13 Nov 2023 Gmc sierra newbesttrucks 2023 gmc sierra to introduce minor updates 2023 GMC Sierra to Introduce Minor Updates - New Best Trucks [2023-2024] 2023 GMC Sierra to Introduce Minor Updates - New Best Trucks [2023-2024] Check Details ← Sierra 3500 Towing Capacity Gmc Sierra 6.2 Vs 3.0 Diesel →