Spec Sizes

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

Comparing 2003 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
  • Length222.1 in – 256.1 in
  • Height76.2 in
  • Wheelbase133.0 in – 167.1 in
  • Ground clearance12.1 in – 13.6 in
  • Curb weight5,153 lb – 6,056 lb
Front / width
  • Width79.7 in
  • GMC Sierra 2500HD width79.7 in

Which is bigger?

  • Length: essentially the same
  • Width: essentially the same
  • Height: essentially the same
  • Wheelbase: Chevrolet Silverado 2500HD has a 0.1 in longer wheelbase (150.1 in vs 150.0 in)
  • Ground clearance: essentially the same
  • Curb weight: essentially the same

Biggest size differences

  1. Wheelbase: Chevrolet Silverado 2500HD has a 0.1 in longer wheelbase (150.1 in vs 150.0 in)

Dimension comparison

SpecChevrolet Silverado 2500HDGMC Sierra 2500HDDifference
Length239.1 in239.1 in0.0 in
Width79.7 in79.7 in0.0 in
Height76.2 in76.2 in0.0 in
Wheelbase150.1 in150.0 in0.1 in
Ground clearance12.8 in12.8 in0.0 in
Curb weight5,605 lb5,605 lb0 lb

Values use trim midpoints when a model year lists a range (e.g. length 222.1 in – 256.1 in).

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.