Spec Sizes

Chevrolet Silverado 2500HD vs GMC Sierra 1500 Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Chevrolet Silverado 2500HD · GMC Sierra 1500

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length224.7 in – 258.7 in
  • Height76.3 in – 77.2 in
  • Wheelbase133.0 in – 167.0 in
  • Ground clearance11.3 in – 11.8 in
  • Curb weight5,308 lb – 6,169 lb
Front / width
  • Width79.9 in
  • GMC Sierra 1500 width80.0 in

Which is bigger?

  • Length: GMC Sierra 1500 is 14.6 in shorter (241.7 in vs 227.1 in)
  • Width: Chevrolet Silverado 2500HD is 0.1 in narrower (79.9 in vs 80.0 in)
  • Height: Chevrolet Silverado 2500HD is 3.0 in taller (76.8 in vs 73.7 in)
  • Wheelbase: Chevrolet Silverado 2500HD has a 11.8 in longer wheelbase (150.0 in vs 138.3 in)
  • Ground clearance: GMC Sierra 1500 has 1.1 in more ground clearance (11.6 in vs 12.6 in)
  • Curb weight: Chevrolet Silverado 2500HD is 807 lb heavier (5,739 lb vs 4,932 lb)

Biggest size differences

  1. Curb weight: Chevrolet Silverado 2500HD is 807 lb heavier (5,739 lb vs 4,932 lb)
  2. Wheelbase: Chevrolet Silverado 2500HD has a 11.8 in longer wheelbase (150.0 in vs 138.3 in)
  3. Ground clearance: GMC Sierra 1500 has 1.1 in more ground clearance (11.6 in vs 12.6 in)
  4. Length: GMC Sierra 1500 is 14.6 in shorter (241.7 in vs 227.1 in)
  5. Height: Chevrolet Silverado 2500HD is 3.0 in taller (76.8 in vs 73.7 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 14.6 in Check garage fit for Chevrolet Silverado 2500HD · garage fit for GMC Sierra 1500
  • Narrower for tight parkingChevrolet Silverado 2500HD — Chevrolet Silverado 2500HD is narrower by 0.1 in
  • More ground clearanceGMC Sierra 1500 — GMC Sierra 1500 has 1.1 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecChevrolet Silverado 2500HDGMC Sierra 1500Difference
Length241.7 in227.1 in14.6 in
Width79.9 in80.0 in0.1 in
Height76.8 in73.7 in3.0 in
Wheelbase150.0 in138.3 in11.8 in
Ground clearance11.6 in12.6 in1.1 in
Curb weight5,739 lb4,932 lb807 lb

Values use trim midpoints when a model year lists a range (e.g. length 224.7 in – 258.7 in).

Compare by year

Overlapping model years with dimension data.

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