Spec Sizes

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

Comparing 2017 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
  • Length224.4 in – 258.4 in
  • Height76.8 in – 78.3 in
  • Wheelbase133.6 in – 167.7 in
  • Ground clearance8.0 in – 8.8 in
  • Curb weight5,958 lb – 7,229 lb
Front / width
  • Width80.1 in – 96.0 in
  • GMC Sierra 1500 width80.0 in

Which is bigger?

  • Length: GMC Sierra 1500 is 7.1 in shorter (241.4 in vs 234.3 in)
  • Width: GMC Sierra 1500 is 8.0 in narrower (88.0 in vs 80.0 in)
  • Height: Chevrolet Silverado 3500HD is 3.5 in taller (77.5 in vs 74.0 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 2.1 in longer wheelbase (150.6 in vs 148.5 in)
  • Ground clearance: GMC Sierra 1500 has 0.4 in more ground clearance (8.4 in vs 8.8 in)
  • Curb weight: Chevrolet Silverado 3500HD is 1,322 lb heavier (6,594 lb vs 5,272 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 3500HD is 1,322 lb heavier (6,594 lb vs 5,272 lb)
  2. Width: GMC Sierra 1500 is 8.0 in narrower (88.0 in vs 80.0 in)
  3. Height: Chevrolet Silverado 3500HD is 3.5 in taller (77.5 in vs 74.0 in)
  4. Ground clearance: GMC Sierra 1500 has 0.4 in more ground clearance (8.4 in vs 8.8 in)
  5. Length: GMC Sierra 1500 is 7.1 in shorter (241.4 in vs 234.3 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 7.1 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 clearanceGMC Sierra 1500 — GMC Sierra 1500 has 0.4 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 1500Difference
Length241.4 in234.3 in7.1 in
Width88.0 in80.0 in8.0 in
Height77.5 in74.0 in3.5 in
Wheelbase150.6 in148.5 in2.1 in
Ground clearance8.4 in8.8 in0.4 in
Curb weight6,594 lb5,272 lb1,322 lb

Values use trim midpoints when a model year lists a range (e.g. length 224.4 in – 258.4 in).

Compare by year

Overlapping model years with dimension data.

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