Spec Sizes

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

Comparing 2011 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
  • Length225.0 in – 259.1 in
  • Height77.4 in – 77.9 in
  • Wheelbase133.7 in – 167.7 in
  • Ground clearance9.6 in – 10.1 in
  • Curb weight5,768 lb – 7,095 lb
Front / width
  • Width80.0 in – 95.9 in
  • GMC Sierra 2500HD width80.0 in

Which is bigger?

  • Length: essentially the same
  • Width: GMC Sierra 2500HD is 8.0 in narrower (88.0 in vs 80.0 in)
  • Height: GMC Sierra 2500HD is 0.3 in taller (77.7 in vs 77.9 in)
  • Wheelbase: essentially the same
  • Ground clearance: essentially the same
  • Curb weight: Chevrolet Silverado 3500HD is 353 lb heavier (6,432 lb vs 6,079 lb)

Biggest size differences

  1. Width: GMC Sierra 2500HD is 8.0 in narrower (88.0 in vs 80.0 in)
  2. Curb weight: Chevrolet Silverado 3500HD is 353 lb heavier (6,432 lb vs 6,079 lb)
  3. Height: GMC Sierra 2500HD is 0.3 in taller (77.7 in vs 77.9 in)

Practical verdicts

  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 8.0 in
  • Smaller exterior footprintGMC Sierra 2500HD — Based on length × width (GMC Sierra 2500HD)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 2500HDDifference
Length242.1 in242.1 in0.0 in
Width88.0 in80.0 in8.0 in
Height77.7 in77.9 in0.3 in
Wheelbase150.7 in150.7 in0.0 in
Ground clearance9.8 in9.8 in0.0 in
Curb weight6,432 lb6,079 lb353 lb

Values use trim midpoints when a model year lists a range (e.g. length 225.0 in – 259.1 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.