| The
2007 GMC Truck Sierra Classic 2500HD Crew Cab
4WD is a 4-door, up to 6-passenger full size
pickup, available in 10 trims, ranging from
the Work Truck Standard Box to the SLT Long
Box.
Upon introduction, both trims are equipped
with a standard 6.0-liter, V8, 300-horsepower
engine. A 4-speed automatic transmission with
overdrive is standard, and a 5-speed manual
transmission with overdrive is optional.
The 2007 GMC Truck Sierra Classic 2500HD Crew
Cab 4WD is a carryover from 2006.
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