Spec Sizes

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

Comparing 2021 vs 2023 catalog dimensions. GMC Sierra 1500 · Chevrolet Silverado 2500HD

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

Side view
  • Length229.6 in – 241.2 in
  • Height75.4 in – 78.3 in
  • Wheelbase139.6 in – 157.0 in
  • Ground clearance7.9 in – 10.9 in
  • Curb weight4,520 lb – 5,530 lb
Front / width
  • Width81.2 in
  • Chevrolet Silverado 2500HD width81.8 in

Which is bigger?

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

Biggest size differences

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

SpecGMC Sierra 1500Chevrolet Silverado 2500HDDifference
Length235.4 in250.8 in15.4 in
Width81.2 in81.8 in0.6 in
Height76.8 in79.8 in3.0 in
Wheelbase148.3 in156.8 in8.5 in
Ground clearance9.4 in10.1 in0.7 in
Curb weight5,025 lb6,528 lb1,503 lb

Values use trim midpoints when a model year lists a range (e.g. length 229.6 in – 241.2 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.