Spec Sizes

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

Comparing 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
  • Length235.5 in – 266.0 in
  • Height80.0 in – 80.9 in
  • Wheelbase141.6 in – 172.0 in
  • Ground clearance10.4 in – 11.2 in
  • Curb weight6,231 lb – 7,352 lb
Front / width
  • Width81.8 in – 96.6 in
  • GMC Sierra 2500HD width81.8 in

Which is bigger?

  • Length: Chevrolet Silverado 3500HD is 0.1 in shorter (250.8 in vs 250.8 in)
  • Width: GMC Sierra 2500HD is 7.4 in narrower (89.2 in vs 81.8 in)
  • Height: Chevrolet Silverado 3500HD is 0.6 in taller (80.5 in vs 79.8 in)
  • Wheelbase: essentially the same
  • Ground clearance: Chevrolet Silverado 3500HD has 0.7 in more ground clearance (10.8 in vs 10.1 in)
  • Curb weight: Chevrolet Silverado 3500HD is 264 lb heavier (6,792 lb vs 6,528 lb)

Biggest size differences

  1. Width: GMC Sierra 2500HD is 7.4 in narrower (89.2 in vs 81.8 in)
  2. Ground clearance: Chevrolet Silverado 3500HD has 0.7 in more ground clearance (10.8 in vs 10.1 in)
  3. Curb weight: Chevrolet Silverado 3500HD is 264 lb heavier (6,792 lb vs 6,528 lb)
  4. Height: Chevrolet Silverado 3500HD is 0.6 in taller (80.5 in vs 79.8 in)
  5. Length: Chevrolet Silverado 3500HD is 0.1 in shorter (250.8 in vs 250.8 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet Silverado 3500HD — Chevrolet Silverado 3500HD is shorter by 0.1 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 7.4 in
  • More ground clearanceChevrolet Silverado 3500HD — Chevrolet Silverado 3500HD has 0.7 in more clearance
  • Smaller exterior footprintGMC Sierra 2500HD — Based on length × width (GMC Sierra 2500HD)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 2500HDDifference
Length250.8 in250.8 in0.1 in
Width89.2 in81.8 in7.4 in
Height80.5 in79.8 in0.6 in
Wheelbase156.8 in156.8 in0.0 in
Ground clearance10.8 in10.1 in0.7 in
Curb weight6,792 lb6,528 lb264 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.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.