Spec Sizes

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

Comparing 2016 vs 2023 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
  • Length224.4 in – 258.4 in
  • Height77.8 in – 78.3 in
  • Wheelbase133.6 in – 167.7 in
  • Ground clearance8.8 in – 9.7 in
  • Curb weight5,741 lb – 6,693 lb
Front / width
  • Width80.1 in – 80.5 in
  • GMC Sierra 1500 width81.1 in – 81.2 in

Which is bigger?

  • Length: GMC Sierra 1500 is 15.1 in shorter (241.4 in vs 226.3 in)
  • Width: GMC Sierra 2500HD is 0.9 in narrower (80.3 in vs 81.2 in)
  • Height: GMC Sierra 2500HD is 1.2 in taller (78.0 in vs 76.8 in)
  • Wheelbase: GMC Sierra 2500HD has a 8.8 in longer wheelbase (150.6 in vs 141.8 in)
  • Ground clearance: GMC Sierra 1500 has 0.3 in more ground clearance (9.3 in vs 9.5 in)
  • Curb weight: GMC Sierra 2500HD is 1,132 lb heavier (6,217 lb vs 5,085 lb)

Biggest size differences

  1. Curb weight: GMC Sierra 2500HD is 1,132 lb heavier (6,217 lb vs 5,085 lb)
  2. Length: GMC Sierra 1500 is 15.1 in shorter (241.4 in vs 226.3 in)
  3. Wheelbase: GMC Sierra 2500HD has a 8.8 in longer wheelbase (150.6 in vs 141.8 in)
  4. Ground clearance: GMC Sierra 1500 has 0.3 in more ground clearance (9.3 in vs 9.5 in)
  5. Height: GMC Sierra 2500HD is 1.2 in taller (78.0 in vs 76.8 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 15.1 in Check garage fit for GMC Sierra 2500HD · garage fit for GMC Sierra 1500
  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 0.9 in
  • More ground clearanceGMC Sierra 1500 — GMC Sierra 1500 has 0.3 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 2500HDGMC Sierra 1500Difference
Length241.4 in226.3 in15.1 in
Width80.3 in81.2 in0.9 in
Height78.0 in76.8 in1.2 in
Wheelbase150.6 in141.8 in8.8 in
Ground clearance9.3 in9.5 in0.3 in
Curb weight6,217 lb5,085 lb1,132 lb

Values use trim midpoints when a model year lists a range (e.g. length 224.4 in – 258.4 in).

Compare by year

Overlapping model years with dimension data.

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