Spec Sizes

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

Comparing 2023 catalog dimensions. GMC Sierra 1500 · Chevrolet Silverado 3500HD

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

Side view
  • Length211.0 in – 241.5 in
  • Height75.4 in – 78.3 in
  • Wheelbase126.5 in – 157.1 in
  • Ground clearance7.9 in – 11.1 in
  • Curb weight4,430 lb – 5,740 lb
Front / width
  • Width81.1 in – 81.2 in
  • Chevrolet Silverado 3500HD width81.8 in – 96.6 in

Which is bigger?

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

Biggest size differences

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

SpecGMC Sierra 1500Chevrolet Silverado 3500HDDifference
Length226.3 in250.8 in24.5 in
Width81.2 in89.2 in8.0 in
Height76.8 in80.5 in3.6 in
Wheelbase141.8 in156.8 in15.0 in
Ground clearance9.5 in10.8 in1.3 in
Curb weight5,085 lb6,792 lb1,707 lb

Values use trim midpoints when a model year lists a range (e.g. length 211.0 in – 241.5 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.