Used 2012 GMC Sierra 2500HD Extended Cab Consumer Reviews
Don hirst, 03/22/2018
SLT 4dr Extended Cab 4WD SB (6.0L 8cyl 6A)
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Needed the longer 6.5 bed, so went with the extended cab, couldn't work with the smaller bed, had a young son that could handle the smaller back seat, now he's grown, so bought a crew with a 6.5 bed. Works for me !