2008 GMC Sierra 2500HD Consumer Review: Poor Gas Mileage

2008 GMC Sierra 2500HD - Consumer Review

Average Consumer Rating

28 Total Reviews

SLT Extended Cab Pickup (6.0L V8 4x4 6-speed Automatic 6.6 ft. Bed)

Build Quality
Reliability Value
1 of 1 people found this review helpful
Poor Gas Mileage
By Sailer on


2008 GMC Sierra 2500HD SLT 4dr Extended Cab 4WD SB (6.0L 8cyl 6A)


9.5 mpg city 10.7 highway. Door handle under armrest is a pain to get to. 5.3 engine would give enough power as I run empty 95% of time Needed 2500 to plow snow. Needs cup holders in dash.

Best Features

Handles V Plow with ease. Large windows gives excellent view all around

Worst Features

For better fuel economy. Drop out 2-4 cyl for highway driving like smaller eng. Large mirrors on all trailer tow packages. Flex Fuel
Recommend (1) (0)

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