Duramax L5P Fuel Mileage
Anyone have any real world experience with the fuel economy of the new GM L5P Duramax in a 3500 DRW?
Forum Discussion
Sheepdog78 wrote:
What’s it getting when not towing?
Howdy!
I don’t know, we tow with it and use the Smart Car we carry in the toy hauler to get around in.
“Happy Trails”
Chiefneon
