Spec Sizes

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

Comparing 2018 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
  • Length205.6 in – 239.0 in
  • Height73.5 in – 74.2 in
  • Wheelbase119.0 in – 153.0 in
  • Ground clearance8.2 in – 8.9 in
  • Curb weight4,515 lb – 5,461 lb
Front / width
  • Width80.0 in
  • Chevrolet Silverado 3500HD width80.1 in – 96.0 in

Which is bigger?

  • Length: GMC Sierra 1500 is 19.1 in shorter (222.3 in vs 241.4 in)
  • Width: GMC Sierra 1500 is 8.0 in narrower (80.0 in vs 88.0 in)
  • Height: Chevrolet Silverado 3500HD is 3.7 in taller (73.8 in vs 77.5 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 14.6 in longer wheelbase (136.0 in vs 150.6 in)
  • Ground clearance: GMC Sierra 1500 has 0.2 in more ground clearance (8.6 in vs 8.4 in)
  • Curb weight: Chevrolet Silverado 3500HD is 1,624 lb heavier (4,988 lb vs 6,612 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 3500HD is 1,624 lb heavier (4,988 lb vs 6,612 lb)
  2. Wheelbase: Chevrolet Silverado 3500HD has a 14.6 in longer wheelbase (136.0 in vs 150.6 in)
  3. Width: GMC Sierra 1500 is 8.0 in narrower (80.0 in vs 88.0 in)
  4. Length: GMC Sierra 1500 is 19.1 in shorter (222.3 in vs 241.4 in)
  5. Height: Chevrolet Silverado 3500HD is 3.7 in taller (73.8 in vs 77.5 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 19.1 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 clearanceGMC Sierra 1500 — GMC Sierra 1500 has 0.2 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 1500Chevrolet Silverado 3500HDDifference
Length222.3 in241.4 in19.1 in
Width80.0 in88.0 in8.0 in
Height73.8 in77.5 in3.7 in
Wheelbase136.0 in150.6 in14.6 in
Ground clearance8.6 in8.4 in0.2 in
Curb weight4,988 lb6,612 lb1,624 lb

Values use trim midpoints when a model year lists a range (e.g. length 205.6 in – 239.0 in).

Compare by year

Overlapping model years with dimension data.

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