Spec Sizes

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

Comparing 2002 catalog dimensions. GMC Sierra 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 – 167.0 in
  • Ground clearance12.1 in – 13.6 in
  • Curb weight5,126 lb – 6,023 lb
Front / width
  • Width79.7 in
  • GMC Sierra 1500 width78.5 in

Which is bigger?

  • Length: GMC Sierra 1500 is 14.2 in shorter (239.1 in vs 224.9 in)
  • Width: GMC Sierra 1500 is 1.2 in narrower (79.7 in vs 78.5 in)
  • Height: GMC Sierra 2500HD is 3.9 in taller (76.2 in vs 72.3 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 4.3 in more ground clearance (12.8 in vs 8.5 in)
  • Curb weight: GMC Sierra 2500HD is 993 lb heavier (5,575 lb vs 4,582 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 4.3 in more ground clearance (12.8 in vs 8.5 in)
  2. Curb weight: GMC Sierra 2500HD is 993 lb heavier (5,575 lb vs 4,582 lb)
  3. Wheelbase: GMC Sierra 2500HD has a 11.8 in longer wheelbase (150.0 in vs 138.3 in)
  4. Length: GMC Sierra 1500 is 14.2 in shorter (239.1 in vs 224.9 in)
  5. Height: GMC Sierra 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 GMC Sierra 2500HD · garage fit for GMC Sierra 1500
  • Narrower for tight parkingGMC Sierra 1500 — GMC Sierra 1500 is narrower by 1.2 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 4.3 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 2500HDGMC Sierra 1500Difference
Length239.1 in224.9 in14.2 in
Width79.7 in78.5 in1.2 in
Height76.2 in72.3 in3.9 in
Wheelbase150.0 in138.3 in11.8 in
Ground clearance12.8 in8.5 in4.3 in
Curb weight5,575 lb4,582 lb993 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.

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