Spec Sizes

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

Comparing 2021 catalog dimensions. Chevrolet Silverado 2500HD · GMC Sierra 2500HD

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

Side view
  • Length235.5 in – 266.0 in
  • Height79.7 in – 80.0 in
  • Wheelbase141.6 in – 172.0 in
  • Ground clearance10.1 in – 10.2 in
  • Curb weight6,105 lb – 6,950 lb
Front / width
  • Width81.8 in
  • GMC Sierra 2500HD width81.8 in

Which is bigger?

  • Length: Chevrolet Silverado 2500HD is 0.1 in shorter (250.8 in vs 250.8 in)
  • Width: essentially the same
  • Height: essentially the same
  • Wheelbase: essentially the same
  • Ground clearance: essentially the same
  • Curb weight: essentially the same

Biggest size differences

  1. Length: Chevrolet Silverado 2500HD is 0.1 in shorter (250.8 in vs 250.8 in)

Practical verdicts

Dimension comparison

SpecChevrolet Silverado 2500HDGMC Sierra 2500HDDifference
Length250.8 in250.8 in0.1 in
Width81.8 in81.8 in0.0 in
Height79.8 in79.8 in0.0 in
Wheelbase156.8 in156.8 in0.0 in
Ground clearance10.1 in10.1 in0.0 in
Curb weight6,528 lb6,528 lb0 lb

Values use trim midpoints when a model year lists a range (e.g. length 235.5 in – 266.0 in).

Compare by year

Overlapping model years with dimension data.

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