Spec Sizes

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

Comparing 2013 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
  • Length225.0 in – 259.1 in
  • Height77.4 in – 77.9 in
  • Wheelbase133.7 in – 167.7 in
  • Ground clearance9.6 in – 10.1 in
  • Curb weight5,775 lb – 7,111 lb
Front / width
  • Width80.0 in – 95.9 in
  • GMC Sierra 1500 width80.0 in

Which is bigger?

  • Length: GMC Sierra 1500 is 14.7 in shorter (242.1 in vs 227.4 in)
  • Width: GMC Sierra 1500 is 8.0 in narrower (88.0 in vs 80.0 in)
  • Height: Chevrolet Silverado 3500HD is 4.0 in taller (77.7 in vs 73.7 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 12.4 in longer wheelbase (150.7 in vs 138.3 in)
  • Ground clearance: GMC Sierra 1500 has 2.8 in more ground clearance (9.8 in vs 12.6 in)
  • Curb weight: Chevrolet Silverado 3500HD is 1,470 lb heavier (6,443 lb vs 4,974 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 3500HD is 1,470 lb heavier (6,443 lb vs 4,974 lb)
  2. Ground clearance: GMC Sierra 1500 has 2.8 in more ground clearance (9.8 in vs 12.6 in)
  3. Width: GMC Sierra 1500 is 8.0 in narrower (88.0 in vs 80.0 in)
  4. Wheelbase: Chevrolet Silverado 3500HD has a 12.4 in longer wheelbase (150.7 in vs 138.3 in)
  5. Length: GMC Sierra 1500 is 14.7 in shorter (242.1 in vs 227.4 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 14.7 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 2.8 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 1500Difference
Length242.1 in227.4 in14.7 in
Width88.0 in80.0 in8.0 in
Height77.7 in73.7 in4.0 in
Wheelbase150.7 in138.3 in12.4 in
Ground clearance9.8 in12.6 in2.8 in
Curb weight6,443 lb4,974 lb1,470 lb

Values use trim midpoints when a model year lists a range (e.g. length 225.0 in – 259.1 in).

Compare by year

Overlapping model years with dimension data.

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