Spec Sizes

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

Comparing 2011 catalog dimensions. GMC Sierra 2500HD · Chevrolet Silverado 3500HD

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

Side view
  • Length225.0 in – 259.1 in
  • Height77.5 in – 78.3 in
  • Wheelbase133.7 in – 167.7 in
  • Ground clearance9.8 in
  • Curb weight5,595 lb – 6,562 lb
Front / width
  • Width80.0 in
  • Chevrolet Silverado 3500HD width80.0 in – 95.9 in

Which is bigger?

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

Biggest size differences

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

SpecGMC Sierra 2500HDChevrolet Silverado 3500HDDifference
Length242.1 in242.1 in0.0 in
Width80.0 in88.0 in8.0 in
Height77.9 in77.7 in0.3 in
Wheelbase150.7 in150.7 in0.0 in
Ground clearance9.8 in9.8 in0.0 in
Curb weight6,079 lb6,432 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.

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