Spec Sizes

Chevrolet Silverado 3500HD vs GMC Sierra 1500 Dimensions & Size Comparison

Comparing 2023 catalog dimensions. Chevrolet Silverado 3500HD · 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
  • 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 1500 width81.1 in – 81.2 in

Which is bigger?

  • Length: GMC Sierra 1500 is 24.5 in shorter (250.8 in vs 226.3 in)
  • Width: GMC Sierra 1500 is 8.0 in narrower (89.2 in vs 81.2 in)
  • Height: Chevrolet Silverado 3500HD is 3.6 in taller (80.5 in vs 76.8 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 15.0 in longer wheelbase (156.8 in vs 141.8 in)
  • Ground clearance: Chevrolet Silverado 3500HD has 1.3 in more ground clearance (10.8 in vs 9.5 in)
  • Curb weight: Chevrolet Silverado 3500HD is 1,707 lb heavier (6,792 lb vs 5,085 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 3500HD is 1,707 lb heavier (6,792 lb vs 5,085 lb)
  2. Ground clearance: Chevrolet Silverado 3500HD has 1.3 in more ground clearance (10.8 in vs 9.5 in)
  3. Length: GMC Sierra 1500 is 24.5 in shorter (250.8 in vs 226.3 in)
  4. Wheelbase: Chevrolet Silverado 3500HD has a 15.0 in longer wheelbase (156.8 in vs 141.8 in)
  5. Width: GMC Sierra 1500 is 8.0 in narrower (89.2 in vs 81.2 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 24.5 in Check garage fit for Chevrolet Silverado 3500HD · garage fit for GMC Sierra 1500
  • Narrower for tight parkingGMC Sierra 1500 — GMC Sierra 1500 is narrower by 8.0 in
  • More ground clearanceChevrolet Silverado 3500HD — Chevrolet Silverado 3500HD has 1.3 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 1500Difference
Length250.8 in226.3 in24.5 in
Width89.2 in81.2 in8.0 in
Height80.5 in76.8 in3.6 in
Wheelbase156.8 in141.8 in15.0 in
Ground clearance10.8 in9.5 in1.3 in
Curb weight6,792 lb5,085 lb1,707 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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