2005 GMC Sierra 3500 Extended Cab 4dr Extended Cab SLT 4WD LB DRW (6.0L 8cyl 4A)
Ride seems very smooth. Some wind noise through the extended cab doors. Very powerful with the 8.1L V-8
The 8.1L V-8 & the Allison Transmission. Like the way the Allison downshifts when braking. Building this truck piece by piece on the GMC website
Better quality on exterior body,shows a lot of ripples in bed sides, GM could have more color selections.
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