2011 GMC Sierra 3500HD Dimensions
Exterior
 Regular Cab Long BoxExtended Cab Long BoxCrew Cab Std. BoxCrew Cab Long Box
Wheelbase (in / mm):133.6 / 3395.4158.1 / 4017.4153.7 / 3904.4167.7 / 4259.4
Overall length (in / mm):225 / 5716249.5 / 6338240.1 / 6100259 / 6580
Overall width (in / mm):95.9 / 243695.9 / 243680 / 203295.9 / 2436
Overall height (in / mm):2WD: 77.3 / 1965
4WD: 77.2 / 1962
2WD: 77.4 / 1966
4WD: 77.3 / 1963
2WD: 77.4 / 1966
4WD: 77.4 / 1966
2WD: 77.8 / 1977
4WD: 77.8 / 1977
Track -- front w/ single rear wheels (in / mm):68.8 / 174868.8 / 174868.8 / 174868.8 / 1748
Track -- rear w/ single rear wheels (in / mm):67.3 / 170967.3 / 170967.3 / 170967.3 / 1709
Track -- rear w/ dual rear wheels (in / mm):75 / 190675 / 190675 / 190675 / 1906
Min. ground clearance -- 2WD (in / mm):front: 9.9 / 252.2
rear: 8.8 / 224
front: 9.6 / 246
rear: 8.6 / 219.5
front: 10 / 255.4
rear: 8.4 / 213.3
front: 9.6 / 245
rear: 8.5 / 215
Min. ground clearance -- 4WD (in / mm):front: 9.9 / 252
rear: 8.6 / 218
front: 9.6 / 244.5
rear: 8.4 / 214.5
front: 9.9 / 253.5
rear: 8.4 / 214.4
front: 9.6 / 244
rear: 8.5 / 215
Step-in height (in / mm):26 / 66025.8 / 65525.2 / 64225.4 / 647
Weight Ratings
 GVWR (lb / kg)Curb Weight (lb / kg)Payload (lb / kg)
Reg cab, long box (2WD) with single rear wheels:6.0L: 10400 / 4717
6.6L: N/A
6.0L: 5808 / 2634
6.6L: N/A
6.0L: 4592 / 2083
6.6L: N/A
Reg cab, long box (2WD) with dual rear wheels:6.0L: 12500 / 5670
6.6L: N/A
6.0L: 6165 / 2796
6.6L: N/A
6.0L: 6335 / 2873
6.6L: N/A
Reg cab, long box (4WD) with single rear wheels:6.0L: 10700 / 4853
6.6L: 11400 / 5171
6.0L: 6134 / 2782
6.6L: 6919 / 3138
6.0L: 4566 / 2071
6.6L: 4481 / 2032
Reg cab, long box (4WD) with dual rear wheels:6.0L: 12800 / 5806
6.6L: 13000 / 5897
6.0L: 6492 / 2944
6.6L: 7277 / 3301
6.0L: 6308 / 2861
6.6L: 5724 / 2596
Ext cab, long box (2WD) with single rear wheels:6.0L: 10700 / 4853
6.6L: 11200 / 5080
6.0L: 6303 / 2859
6.6L: 6991 / 3171
6.0L: 4397 / 1994
6.6L: 4209 / 1909
Ext cab, long box (2WD) with dual rear wheels:6.0L: 13000 / 5897
6.6L: 13000 / 5897
6.0L: 6668 / 3024
6.6L: 7460 / 3384
6.0L: 6332 / 2872
6.6L: 5540 / 2513
Ext cab, long box (4WD) with single rear wheels:6.0L: 11000 / 4989
6.6L: 11600 / 5261
6.0L: 6580 / 2984
6.6L: 7377 / 3346
6.0L: 4420 / 2005
6.6L: 4223 / 1915
Ext cab, long box (4WD) with dual rear wheels:6.0L: 13000 / 5897
6.6L: 13000 / 5897
6.0L: 6945 / 3150
6.6L: 7742 / 3511
6.0L: 6055 / 2746
6.6L: 5258 / 2385
Crew cab, long box (2WD) with single rear wheels:6.0L: 10700 / 4853
6.6L: 11400 / 5171
6.0L: 6414 / 2909
6.6L: 6984 / 3168
6.0L: 4286 / 1944
6.6L: 4416 / 2003
Crew cab, long box (2WD) with dual rear wheels:6.0L: 13000 / 5897
6.6L: 13000 / 5897
6.0L: 6777 / 3074
6.6L: 7544 / 3422
6.0L: 6223 / 2822
6.6L: 5456 / 2475
Crew cab, long box (4WD) with single rear wheels:6.0L: 11000 / 4989
6.6L: 11600 / 5261
6.0L: 6732 / 3053
6.6L: 7516 / 3409
6.0L: 4268 / 1936
6.6L: 4085 / 1853
Crew cab, long box (4WD) with dual rear wheels:6.0L: 13000 / 5897
6.6L: 13000 / 5897
6.0L: 7095 / 3218
6.6L: 7878 / 3573
6.0L: 5905 / 2678
6.6L: 5122 / 2323
Crew cab, std. box (2WD) with single rear wheels:6.0L: 10500 / 4762
6.6L: 11100 / 5034
6.0L: 6300 / 2857
6.6L: 7063 / 3203
6.0L: 4200 / 1905
6.6L: 4038 / 1831
Crew cab, std. box (4WD) with single rear wheels:6.0L: 10800 / 4899
6.6L: 11500 / 5216
6.0L: 6573 / 2981
6.6L: 7335 / 3327
6.0L: 4227 / 1917
6.6L: 4165 / 1889
Cargo Box
 Standard BoxLong Box
Cargo volume (cu ft / L):60.7 / 171875.5 / 2138
Length at floor (in / mm):78.8 / 200397.7 / 2483
Width at floor (in / mm):62.4 / 158662.4 / 1586
Tailgate width (in / mm):61.5 / 156461.5 / 1564
Width between wheel housings (in / mm):50.6 / 128650.6 / 1286
Inside height (in / mm):21 / 53321 / 533
Interior
 Regular CabExtended CabCrew Cab
Headroom (in / mm)41.2 / 1048front: 41.1 / 1044
rear: 39.4 / 1002
front: 41.2 / 1048
rear: 40.5 / 1030
Legroom (in / mm)41.3 / 1049front: 41.3 / 1049
rear: 34.3 / 872
front: 41.3 / 1049
rear: 39 / 991
Shoulder room (in / mm)65.2 / 1657front: 65.2 / 1657
rear: 65.3 / 1658
front: 65.2 / 1657
rear: 65.1 / 1655
Hip room (in / mm)60.3 / 1532front: 60.3 / 1532
rear: 61.8 / 1571
front: 60.3 / 1532
rear: 65.4 / 1663
Capacities
 Regular CabExtended CabCrew Cab
Seating:2 / 35 / 65 / 6
Fuel tank -- 2WD and 4WD (gal / L):36 / 13636 / 13636 / 136
Engine oil (qt / L):6.0L: 6.0 / 5.7
6.6L: 10 / 9.5
6.0L: 6.0 / 5.7
6.6L: 10 / 9.5
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
6.0L: 16.4 / 15.5
6.6L: 25.4 / 24
6.0L: 16.4 / 15.5
6.6L: 25.4 / 24
Trailering
 Trailer towing maximum with ball hitch (lb / kg)Trailer towing maximum with fifth-wheel hitch (lb / kg)
Reg. cab, long box with single rear wheels:2WD w/ 6.0L (4.10 axle): 13000 / 5897
4WD w/ 6.0L (4.10 axle): 13000 / 5897
4WD w/ 6.6L (3.73 axle): 13000 / 5897
2WD w/ 6.0L (4.10 axle): 14500 / 6577
4WD w/ 6.0L (4.10 axle): 14200 / 6441
4WD w/ 6.6L (3.73 axle): 17400 / 7892
Reg. cab, long box with dual rear wheels:2WD w/ 6.0L (4.10 axle): 14100 / 6395
4WD w/ 6.0L (4.10 axle): 13800 / 6259
4WD w/ 6.6L (3.73 axle): 16000 / 7257
2WD w/ 6.0L (4.10 axle): 14100 / 6395
4WD w/ 6.0L (4.10 axle): 13800 / 6259
4WD w/ 6.6L (3.73 axle): 20000 / 9072
Ext. cab, long box with single rear wheels:2WD w/ 6.0L (4.10 axle): 13000 / 5897
2WD w/ 6.6L (3.73 axle): 13000 / 5897
4WD w/ 6.0L (4.10 axle): 13000 / 5897
4WD w/ 6.6L (3.73 axle): 13000 / 5897
2WD w/ 6.0L (4.10 axle): 14000 / 6350
2WD w/ 6.6L (3.73 axle): 17300 / 7847
4WD w/ 6.0L (4.10 axle): 13700 / 6214
4WD w/ 6.6L (3.73 axle): 16900 / 7665
Ext. cab, long box with dual rear wheels:2WD w/ 6.0L (4.10 axle): 13600 / 6169
2WD w/ 6.6L (3.73 axle): 16000 / 7257
4WD w/ 6.0L (4.10 axle): 13400 / 6078
4WD w/ 6.6L (3.73 axle): 16000 / 7257
2WD w/ 6.0L (4.10 axle): 13600 / 6169
2WD w/ 6.6L (3.73 axle): 19800 / 8981
4WD w/ 6.0L (4.10 axle): 13400 / 6078
4WD w/ 6.6L (3.73 axle): 19600 / 8909
Crew cab, long box with single rear wheels:2WD w/ 6.0L (4.10 axle): 13000 / 5897
2WD w/ 6.6L (3.73 axle): 13000 / 5897
4WD w/ 6.0L (4.10 axle): 13000 / 5897
4WD w/ 6.6L (3.73 axle): 13000 / 5897
2WD w/ 6.0L (4.10 axle): 13900 / 6318
2WD w/ 6.6L (3.73 axle): 17300 / 7863
4WD w/ 6.0L (4.10 axle): 13600 / 6181
4WD w/ 6.6L (3.73 axle): 16800 / 7636
Crew cab, long box with dual rear wheels:2WD w/ 6.0L (4.10 axle): 13500 / 6123
2WD w/ 6.6L (3.73 axle): 16000 / 7257
4WD w/ 6.0L (4.10 axle): 13200 / 5987
4WD w/ 6.6L (3.73 axle): 16000 / 7257
2WD w/ 6.0L (4.10 axle): 13500 / 6136
2WD w/ 6.6L (3.73 axle): 19800 / 8981
4WD w/ 6.0L (4.10 axle): 13200 / 6000
4WD w/ 6.6L (3.73 axle): 19400 / 8818
Crew cab, std. box with single rear wheels:2WD w/ 6.0L (4.10 axle): 13000 / 5897
2WD w/ 6.6L (3.73 axle): 13000 / 5897
4WD w/ 6.0L (4.10 axle): 13000 / 5897
4WD w/ 6.6L (3.73 axle): 13000 / 5897
2WD w/ 6.0L (4.10 axle): 14000 / 6363
2WD w/ 6.6L (3.73 axle): 17200 / 7818
4WD w/ 6.0L (4.10 axle): 13700 / 6214
4WD w/ 6.6L (3.73 axle): 17000 / 7727