Spec Sizes

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

Comparing 2006 catalog dimensions. GMC Sierra 1500 · Chevrolet Silverado 2500HD

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

Side view
  • Length205.7 in – 249.0 in
  • Height70.8 in – 75.0 in
  • Wheelbase119.0 in – 157.5 in
  • Ground clearance8.1 in – 8.7 in
  • Curb weight4,211 lb – 5,425 lb
Front / width
  • Width78.5 in
  • Chevrolet Silverado 2500HD width79.7 in

Which is bigger?

  • Length: GMC Sierra 1500 is 14.2 in shorter (227.3 in vs 241.5 in)
  • Width: GMC Sierra 1500 is 1.2 in narrower (78.5 in vs 79.7 in)
  • Height: Chevrolet Silverado 2500HD is 3.7 in taller (72.9 in vs 76.6 in)
  • Wheelbase: Chevrolet Silverado 2500HD has a 11.8 in longer wheelbase (138.3 in vs 150.0 in)
  • Ground clearance: Chevrolet Silverado 2500HD has 4.5 in more ground clearance (8.4 in vs 12.8 in)
  • Curb weight: Chevrolet Silverado 2500HD is 772 lb heavier (4,818 lb vs 5,590 lb)

Biggest size differences

  1. Ground clearance: Chevrolet Silverado 2500HD has 4.5 in more ground clearance (8.4 in vs 12.8 in)
  2. Curb weight: Chevrolet Silverado 2500HD is 772 lb heavier (4,818 lb vs 5,590 lb)
  3. Wheelbase: Chevrolet Silverado 2500HD has a 11.8 in longer wheelbase (138.3 in vs 150.0 in)
  4. Length: GMC Sierra 1500 is 14.2 in shorter (227.3 in vs 241.5 in)
  5. Height: Chevrolet Silverado 2500HD is 3.7 in taller (72.9 in vs 76.6 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 GMC Sierra 1500 · garage fit for Chevrolet Silverado 2500HD
  • Narrower for tight parkingGMC Sierra 1500 — GMC Sierra 1500 is narrower by 1.2 in
  • More ground clearanceChevrolet Silverado 2500HD — Chevrolet Silverado 2500HD has 4.5 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 1500Chevrolet Silverado 2500HDDifference
Length227.3 in241.5 in14.2 in
Width78.5 in79.7 in1.2 in
Height72.9 in76.6 in3.7 in
Wheelbase138.3 in150.0 in11.8 in
Ground clearance8.4 in12.8 in4.5 in
Curb weight4,818 lb5,590 lb772 lb

Values use trim midpoints when a model year lists a range (e.g. length 205.7 in – 249.0 in).

Compare by year

Overlapping model years with dimension data.

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