mobile-menu-icon
GM Authority

Reply To: New GMC owner new to the Duramax family

September 16, 2022 at 6:55 pm #725159
2023 Duramax1500
Participant

@ses886 thanks for the real world MPG on your crew cab elevation. 25 MPG with speeds of 80 MPG is excellent. Can’t wait to receive my truck.

Subscribe to GM Authority

For around-the-clock GM news coverage

We'll send you one email per day with the latest GM news. It's totally free.