Spec Sizes

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

Comparing 2003 catalog dimensions. Chevrolet Silverado 1500 · GMC Sierra 2500HD

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

Side view
  • Length203.2 in – 246.6 in
  • Height70.8 in – 73.9 in
  • Wheelbase119.0 in – 157.5 in
  • Ground clearance8.3 in – 8.7 in
  • Curb weight4,142 lb – 5,112 lb
Front / width
  • Width78.5 in
  • GMC Sierra 2500HD width79.7 in

Which is bigger?

  • Length: Chevrolet Silverado 1500 is 14.2 in shorter (224.9 in vs 239.1 in)
  • Width: Chevrolet Silverado 1500 is 1.2 in narrower (78.5 in vs 79.7 in)
  • Height: GMC Sierra 2500HD is 3.9 in taller (72.3 in vs 76.2 in)
  • Wheelbase: GMC Sierra 2500HD has a 11.8 in longer wheelbase (138.3 in vs 150.0 in)
  • Ground clearance: GMC Sierra 2500HD has 4.3 in more ground clearance (8.5 in vs 12.8 in)
  • Curb weight: GMC Sierra 2500HD is 978 lb heavier (4,627 lb vs 5,605 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 4.3 in more ground clearance (8.5 in vs 12.8 in)
  2. Curb weight: GMC Sierra 2500HD is 978 lb heavier (4,627 lb vs 5,605 lb)
  3. Wheelbase: GMC Sierra 2500HD has a 11.8 in longer wheelbase (138.3 in vs 150.0 in)
  4. Length: Chevrolet Silverado 1500 is 14.2 in shorter (224.9 in vs 239.1 in)
  5. Height: GMC Sierra 2500HD is 3.9 in taller (72.3 in vs 76.2 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet Silverado 1500 — Chevrolet Silverado 1500 is shorter by 14.2 in Check garage fit for Chevrolet Silverado 1500 · garage fit for GMC Sierra 2500HD
  • Narrower for tight parkingChevrolet Silverado 1500 — Chevrolet Silverado 1500 is narrower by 1.2 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 4.3 in more clearance
  • Smaller exterior footprintChevrolet Silverado 1500 — Based on length × width (Chevrolet Silverado 1500)

Dimension comparison

SpecChevrolet Silverado 1500GMC Sierra 2500HDDifference
Length224.9 in239.1 in14.2 in
Width78.5 in79.7 in1.2 in
Height72.3 in76.2 in3.9 in
Wheelbase138.3 in150.0 in11.8 in
Ground clearance8.5 in12.8 in4.3 in
Curb weight4,627 lb5,605 lb978 lb

Values use trim midpoints when a model year lists a range (e.g. length 203.2 in – 246.6 in).

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Overlapping model years with dimension data.

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