2009 GMC Sierra 2500HD Crew Cab - Dimensions
Exterior - Dimensions
  Crew Cab Standard Box Crew Cab Long Box
Wheelbase (in / mm): 153 / 3886 167 / 4242
Overall length (in / mm): 240 / 6094 258.7 / 6572
Overall width (in / mm): 80 / 2032 95.9 / 2436
Overall height: (in / mm): 77.1 / 1958 76 / 1930
Track - front (in / mm): 68.6 / 1744 68.6 / 1744
Track - rear (in / mm): 66 / 1676 66 / 1676
Minimum ground clearance (in / mm): 2WD: 9.5 / 243
4WD: 9.5 / 243
2WD: 9.5 / 243
4WD: 9.5 / 243
Step-in height (in / mm): 25.2 / 640 25.2 / 640
Cargo box - Dimensions
  Standard Box Long Box
Cargo volume (cu ft / L): 60.7 / 1718 75.5 / 2138
Length at floor (in / mm): 78.7 / 1999 97.6 / 2479
Width at floor (in / mm): 62.4 / 1586 62.4 / 1586
Tailgate width (in / mm): 61.5 / 1564 61.5 / 1564
Width between wheel housings (in / mm): 50.6 / 1286 50.6 / 1286
Inside height (in / mm): 21 / 553 21 / 553
Interior - Dimensions
  Crew Cab
Headroom (in / mm): front: 41.2 / 1048
rear: 40.5 / 1030
Legroom (in / mm): front: 41.3 / 1049
rear: 39 / 991
Shoulder room (in / mm): front: 65.2 / 1657
rear: 65.1 / 1655
Hip room (in / mm): front: 62.5 / 1588
rear: 65.4 / 1663
Capacities
  Crew Cab
Seating: 5/6
Fuel tank (gal / L): 34 / 129 (long box)
-- / -- (std. box)
Engine oil (qt / L): 6.0L: 6.0 / 5.7
6.6L: 10 / 9.5
Cooling system (qt / L): 6.0L: 16.4 / 15.5
6.6L: 25.4 / 24