Spec Sizes

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

Comparing 2019 vs 2023 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
  • Length239.5 in – 258.4 in
  • Height77.8 in – 78.3 in
  • Wheelbase153.7 in – 167.7 in
  • Ground clearance8.3 in – 8.6 in
  • Curb weight6,423 lb – 7,239 lb
Front / width
  • Width80.5 in – 96.0 in
  • GMC Sierra 2500HD width81.8 in

Which is bigger?

  • Length: Chevrolet Silverado 3500HD is 1.9 in shorter (248.9 in vs 250.8 in)
  • Width: GMC Sierra 2500HD is 6.5 in narrower (88.3 in vs 81.8 in)
  • Height: GMC Sierra 2500HD is 1.8 in taller (78.0 in vs 79.8 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 3.9 in longer wheelbase (160.7 in vs 156.8 in)
  • Ground clearance: GMC Sierra 2500HD has 1.7 in more ground clearance (8.4 in vs 10.1 in)
  • Curb weight: Chevrolet Silverado 3500HD is 304 lb heavier (6,831 lb vs 6,528 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 1.7 in more ground clearance (8.4 in vs 10.1 in)
  2. Width: GMC Sierra 2500HD is 6.5 in narrower (88.3 in vs 81.8 in)
  3. Curb weight: Chevrolet Silverado 3500HD is 304 lb heavier (6,831 lb vs 6,528 lb)
  4. Wheelbase: Chevrolet Silverado 3500HD has a 3.9 in longer wheelbase (160.7 in vs 156.8 in)
  5. Height: GMC Sierra 2500HD is 1.8 in taller (78.0 in vs 79.8 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet Silverado 3500HD — Chevrolet Silverado 3500HD is shorter by 1.9 in Check garage fit for Chevrolet Silverado 3500HD · garage fit for GMC Sierra 2500HD
  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 6.5 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 1.7 in more clearance
  • Smaller exterior footprintGMC Sierra 2500HD — Based on length × width (GMC Sierra 2500HD)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 2500HDDifference
Length248.9 in250.8 in1.9 in
Width88.3 in81.8 in6.5 in
Height78.0 in79.8 in1.8 in
Wheelbase160.7 in156.8 in3.9 in
Ground clearance8.4 in10.1 in1.7 in
Curb weight6,831 lb6,528 lb304 lb

Values use trim midpoints when a model year lists a range (e.g. length 239.5 in – 258.4 in).

Compare by year

Overlapping model years with dimension data.

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