2024 Gmc Sierra 2024 Duramax Mpg. Speaking of speed, the revised duramax makes for a noticeably quicker silverado. Current truck is a 2014 duramax with the 6 speed.

Speaking of speed, the revised duramax makes for a noticeably quicker silverado. Research the 2024 gmc sierra 2500hd diesel with our expert reviews and ratings.