Spec Sizes

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

Comparing 2014 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 19.8 in shorter (242.1 in vs 222.3 in)
  • Width: GMC Sierra 1500 is 8.0 in narrower (88.0 in vs 80.0 in)
  • Height: Chevrolet Silverado 3500HD is 3.8 in taller (77.7 in vs 73.8 in)
  • Wheelbase: Chevrolet Silverado 3500HD has a 14.4 in longer wheelbase (150.7 in vs 136.3 in)
  • Curb weight: Chevrolet Silverado 3500HD is 1,543 lb heavier (6,443 lb vs 4,901 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 3500HD is 1,543 lb heavier (6,443 lb vs 4,901 lb)
  2. Wheelbase: Chevrolet Silverado 3500HD has a 14.4 in longer wheelbase (150.7 in vs 136.3 in)
  3. Width: GMC Sierra 1500 is 8.0 in narrower (88.0 in vs 80.0 in)
  4. Length: GMC Sierra 1500 is 19.8 in shorter (242.1 in vs 222.3 in)
  5. Height: Chevrolet Silverado 3500HD is 3.8 in taller (77.7 in vs 73.8 in)

Practical verdicts

Dimension comparison

SpecChevrolet Silverado 3500HDGMC Sierra 1500Difference
Length242.1 in222.3 in19.8 in
Width88.0 in80.0 in8.0 in
Height77.7 in73.8 in3.8 in
Wheelbase150.7 in136.3 in14.4 in
Ground clearance9.8 in——
Curb weight6,443 lb4,901 lb1,543 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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