Spec Sizes

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

Comparing 2012 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 – 249.2 in
  • Height73.5 in – 73.9 in
  • Wheelbase119.0 in – 157.5 in
  • Ground clearance11.8 in – 13.4 in
  • Curb weight4,460 lb – 5,487 lb
Front / width
  • Width80.0 in
  • Chevrolet Silverado 3500HD width80.0 in – 95.9 in

Which is bigger?

  • Length: GMC Sierra 1500 is 14.7 in shorter (227.4 in vs 242.1 in)
  • Width: GMC Sierra 1500 is 8.0 in narrower (80.0 in vs 88.0 in)
  • Height: Chevrolet Silverado 3500HD is 4.0 in taller (73.7 in vs 77.7 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 12.4 in longer wheelbase (138.3 in vs 150.7 in)
  • Ground clearance: GMC Sierra 1500 has 2.8 in more ground clearance (12.6 in vs 9.8 in)
  • Curb weight: Chevrolet Silverado 3500HD is 1,486 lb heavier (4,974 lb vs 6,460 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 1500 has 2.8 in more ground clearance (12.6 in vs 9.8 in)
  2. Curb weight: Chevrolet Silverado 3500HD is 1,486 lb heavier (4,974 lb vs 6,460 lb)
  3. Width: GMC Sierra 1500 is 8.0 in narrower (80.0 in vs 88.0 in)
  4. Wheelbase: Chevrolet Silverado 3500HD has a 12.4 in longer wheelbase (138.3 in vs 150.7 in)
  5. Length: GMC Sierra 1500 is 14.7 in shorter (227.4 in vs 242.1 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 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 2.8 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 1500Chevrolet Silverado 3500HDDifference
Length227.4 in242.1 in14.7 in
Width80.0 in88.0 in8.0 in
Height73.7 in77.7 in4.0 in
Wheelbase138.3 in150.7 in12.4 in
Ground clearance12.6 in9.8 in2.8 in
Curb weight4,974 lb6,460 lb1,486 lb

Values use trim midpoints when a model year lists a range (e.g. length 205.6 in – 249.2 in).

Compare by year

Overlapping model years with dimension data.

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