Spec Sizes

GMC Sierra 2500HD vs Chevrolet Colorado Dimensions & Size Comparison

Comparing 2021 catalog dimensions. GMC Sierra 2500HD · Chevrolet Colorado

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

Side view
  • Length235.5 in – 266.1 in
  • Height79.7 in – 80.0 in
  • Wheelbase141.6 in – 172.0 in
  • Ground clearance10.1 in – 10.2 in
  • Curb weight6,105 lb – 6,950 lb
Front / width
  • Width81.8 in
  • Chevrolet Colorado width74.3 in – 76.7 in

Which is bigger?

  • Length: Chevrolet Colorado is 32.2 in shorter (250.8 in vs 218.7 in)
  • Width: Chevrolet Colorado is 6.3 in narrower (81.8 in vs 75.5 in)
  • Height: GMC Sierra 2500HD is 8.4 in taller (79.8 in vs 71.4 in)
  • Wheelbase: GMC Sierra 2500HD has a 22.4 in longer wheelbase (156.8 in vs 134.4 in)
  • Ground clearance: GMC Sierra 2500HD has 1.1 in more ground clearance (10.1 in vs 9.1 in)
  • Curb weight: GMC Sierra 2500HD is 2,203 lb heavier (6,528 lb vs 4,325 lb)

Biggest size differences

  1. Curb weight: GMC Sierra 2500HD is 2,203 lb heavier (6,528 lb vs 4,325 lb)
  2. Wheelbase: GMC Sierra 2500HD has a 22.4 in longer wheelbase (156.8 in vs 134.4 in)
  3. Length: Chevrolet Colorado is 32.2 in shorter (250.8 in vs 218.7 in)
  4. Ground clearance: GMC Sierra 2500HD has 1.1 in more ground clearance (10.1 in vs 9.1 in)
  5. Height: GMC Sierra 2500HD is 8.4 in taller (79.8 in vs 71.4 in)

Practical verdicts

  • Easier to fit in a short garageChevrolet Colorado — Chevrolet Colorado is shorter by 32.2 in Check garage fit for GMC Sierra 2500HD · garage fit for Chevrolet Colorado
  • Narrower for tight parkingChevrolet Colorado — Chevrolet Colorado is narrower by 6.3 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 1.1 in more clearance
  • Smaller exterior footprintChevrolet Colorado — Based on length × width (Chevrolet Colorado)

Dimension comparison

SpecGMC Sierra 2500HDChevrolet ColoradoDifference
Length250.8 in218.7 in32.2 in
Width81.8 in75.5 in6.3 in
Height79.8 in71.4 in8.4 in
Wheelbase156.8 in134.4 in22.4 in
Ground clearance10.1 in9.1 in1.1 in
Curb weight6,528 lb4,325 lb2,203 lb

Values use trim midpoints when a model year lists a range (e.g. length 235.5 in – 266.1 in).

Compare by year

Overlapping model years with dimension data.

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