Spec Sizes

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

Comparing 2003 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
  • Length222.1 in – 256.1 in
  • Height76.2 in
  • Wheelbase133.0 in – 167.1 in
  • Ground clearance12.1 in – 13.6 in
  • Curb weight5,153 lb – 6,056 lb
Front / width
  • Width79.7 in
  • GMC Sierra 1500 width78.5 in – 83.5 in

Which is bigger?

  • Length: GMC Sierra 1500 is 14.2 in shorter (239.1 in vs 224.9 in)
  • Width: Chevrolet Silverado 2500HD is 1.3 in narrower (79.7 in vs 81.0 in)
  • Height: Chevrolet Silverado 2500HD is 3.9 in taller (76.2 in vs 72.3 in)
  • Wheelbase: Chevrolet Silverado 2500HD has a 11.8 in longer wheelbase (150.1 in vs 138.3 in)
  • Ground clearance: Chevrolet Silverado 2500HD has 4.4 in more ground clearance (12.8 in vs 8.4 in)
  • Curb weight: Chevrolet Silverado 2500HD is 985 lb heavier (5,605 lb vs 4,620 lb)

Biggest size differences

  1. Ground clearance: Chevrolet Silverado 2500HD has 4.4 in more ground clearance (12.8 in vs 8.4 in)
  2. Curb weight: Chevrolet Silverado 2500HD is 985 lb heavier (5,605 lb vs 4,620 lb)
  3. Wheelbase: Chevrolet Silverado 2500HD has a 11.8 in longer wheelbase (150.1 in vs 138.3 in)
  4. Length: GMC Sierra 1500 is 14.2 in shorter (239.1 in vs 224.9 in)
  5. Height: Chevrolet Silverado 2500HD is 3.9 in taller (76.2 in vs 72.3 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 14.2 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 1.3 in
  • More ground clearanceChevrolet Silverado 2500HD — Chevrolet Silverado 2500HD has 4.4 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecChevrolet Silverado 2500HDGMC Sierra 1500Difference
Length239.1 in224.9 in14.2 in
Width79.7 in81.0 in1.3 in
Height76.2 in72.3 in3.9 in
Wheelbase150.1 in138.3 in11.8 in
Ground clearance12.8 in8.4 in4.4 in
Curb weight5,605 lb4,620 lb985 lb

Values use trim midpoints when a model year lists a range (e.g. length 222.1 in – 256.1 in).

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.