Spec Sizes

Chevrolet Silverado 3500HD vs GMC Sierra 2500HD Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Chevrolet Silverado 3500HD · GMC Sierra 2500HD

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length224.7 in – 258.7 in
  • Height75.6 in – 76.4 in
  • Wheelbase133.0 in – 167.0 in
  • Ground clearance9.1 in – 11.3 in
  • Curb weight5,092 lb – 6,694 lb
Front / width
  • Width79.9 in – 95.9 in
  • GMC Sierra 2500HD width80.0 in

Which is bigger?

  • Length: essentially the same
  • Width: GMC Sierra 2500HD is 7.9 in narrower (87.9 in vs 80.0 in)
  • Height: GMC Sierra 2500HD is 0.8 in taller (76.0 in vs 76.8 in)
  • Wheelbase: essentially the same
  • Ground clearance: GMC Sierra 2500HD has 1.4 in more ground clearance (10.2 in vs 11.6 in)
  • Curb weight: Chevrolet Silverado 3500HD is 155 lb heavier (5,893 lb vs 5,739 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 1.4 in more ground clearance (10.2 in vs 11.6 in)
  2. Width: GMC Sierra 2500HD is 7.9 in narrower (87.9 in vs 80.0 in)
  3. Curb weight: Chevrolet Silverado 3500HD is 155 lb heavier (5,893 lb vs 5,739 lb)
  4. Height: GMC Sierra 2500HD is 0.8 in taller (76.0 in vs 76.8 in)

Practical verdicts

  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 7.9 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 1.4 in more clearance
  • Smaller exterior footprintGMC Sierra 2500HD — Based on length × width (GMC Sierra 2500HD)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 2500HDDifference
Length241.7 in241.7 in0.0 in
Width87.9 in80.0 in7.9 in
Height76.0 in76.8 in0.8 in
Wheelbase150.0 in150.0 in0.0 in
Ground clearance10.2 in11.6 in1.4 in
Curb weight5,893 lb5,739 lb155 lb

Values use trim midpoints when a model year lists a range (e.g. length 224.7 in – 258.7 in).

Compare by year

Overlapping model years with dimension data.

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