Spec Sizes

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

Comparing 2005 catalog dimensions. GMC Sierra 2500HD · Chevrolet Silverado 1500

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

Side view
  • Length222.1 in – 256.2 in
  • Height76.2 in – 77.0 in
  • Wheelbase133.0 in – 167.0 in
  • Ground clearance12.1 in – 13.6 in
  • Curb weight5,177 lb – 6,049 lb
Front / width
  • Width79.7 in
  • Chevrolet Silverado 1500 width78.5 in

Which is bigger?

  • Length: Chevrolet Silverado 1500 is 11.8 in shorter (239.1 in vs 227.3 in)
  • Width: Chevrolet Silverado 1500 is 1.2 in narrower (79.7 in vs 78.5 in)
  • Height: GMC Sierra 2500HD is 3.7 in taller (76.6 in vs 72.9 in)
  • Wheelbase: GMC Sierra 2500HD has a 11.8 in longer wheelbase (150.0 in vs 138.3 in)
  • Ground clearance: GMC Sierra 2500HD has 4.5 in more ground clearance (12.8 in vs 8.4 in)
  • Curb weight: GMC Sierra 2500HD is 851 lb heavier (5,613 lb vs 4,762 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 4.5 in more ground clearance (12.8 in vs 8.4 in)
  2. Curb weight: GMC Sierra 2500HD is 851 lb heavier (5,613 lb vs 4,762 lb)
  3. Wheelbase: GMC Sierra 2500HD has a 11.8 in longer wheelbase (150.0 in vs 138.3 in)
  4. Length: Chevrolet Silverado 1500 is 11.8 in shorter (239.1 in vs 227.3 in)
  5. Height: GMC Sierra 2500HD is 3.7 in taller (76.6 in vs 72.9 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet Silverado 1500 — Chevrolet Silverado 1500 is shorter by 11.8 in Check garage fit for GMC Sierra 2500HD · garage fit for Chevrolet Silverado 1500
  • Narrower for tight parkingChevrolet Silverado 1500 — Chevrolet Silverado 1500 is narrower by 1.2 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 4.5 in more clearance
  • Smaller exterior footprintChevrolet Silverado 1500 — Based on length × width (Chevrolet Silverado 1500)

Dimension comparison

SpecGMC Sierra 2500HDChevrolet Silverado 1500Difference
Length239.1 in227.3 in11.8 in
Width79.7 in78.5 in1.2 in
Height76.6 in72.9 in3.7 in
Wheelbase150.0 in138.3 in11.8 in
Ground clearance12.8 in8.4 in4.5 in
Curb weight5,613 lb4,762 lb851 lb

Values use trim midpoints when a model year lists a range (e.g. length 222.1 in – 256.2 in).

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Overlapping model years with dimension data.

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