Spec Sizes

Chevrolet Silverado 2500HD vs GMC Sierra 1500 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Chevrolet Silverado 2500HD · GMC Sierra 1500

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 1500 width81.2 in

Which is bigger?

  • Length: GMC Sierra 1500 is 15.4 in shorter (250.8 in vs 235.4 in)
  • Width: GMC Sierra 1500 is 0.6 in narrower (81.8 in vs 81.2 in)
  • Height: Chevrolet Silverado 2500HD is 3.0 in taller (79.8 in vs 76.8 in)
  • Wheelbase: Chevrolet Silverado 2500HD has a 8.5 in longer wheelbase (156.8 in vs 148.3 in)
  • Ground clearance: Chevrolet Silverado 2500HD has 0.7 in more ground clearance (10.1 in vs 9.4 in)
  • Curb weight: Chevrolet Silverado 2500HD is 1,503 lb heavier (6,528 lb vs 5,025 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 2500HD is 1,503 lb heavier (6,528 lb vs 5,025 lb)
  2. Ground clearance: Chevrolet Silverado 2500HD has 0.7 in more ground clearance (10.1 in vs 9.4 in)
  3. Length: GMC Sierra 1500 is 15.4 in shorter (250.8 in vs 235.4 in)
  4. Wheelbase: Chevrolet Silverado 2500HD has a 8.5 in longer wheelbase (156.8 in vs 148.3 in)
  5. Height: Chevrolet Silverado 2500HD is 3.0 in taller (79.8 in vs 76.8 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 15.4 in Check garage fit for Chevrolet Silverado 2500HD · garage fit for GMC Sierra 1500
  • Narrower for tight parkingGMC Sierra 1500 — GMC Sierra 1500 is narrower by 0.6 in
  • More ground clearanceChevrolet Silverado 2500HD — Chevrolet Silverado 2500HD has 0.7 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecChevrolet Silverado 2500HDGMC Sierra 1500Difference
Length250.8 in235.4 in15.4 in
Width81.8 in81.2 in0.6 in
Height79.8 in76.8 in3.0 in
Wheelbase156.8 in148.3 in8.5 in
Ground clearance10.1 in9.4 in0.7 in
Curb weight6,528 lb5,025 lb1,503 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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