Spec Sizes

GMC Sierra 2500HD vs RAM 1500 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. GMC Sierra 2500HD · RAM 1500

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
  • RAM 1500 width82.1 in – 88.0 in

Which is bigger?

  • Length: RAM 1500 is 15.4 in shorter (250.8 in vs 235.4 in)
  • Width: GMC Sierra 2500HD is 3.3 in narrower (81.8 in vs 85.0 in)
  • Height: GMC Sierra 2500HD is 0.7 in taller (79.8 in vs 79.2 in)
  • Wheelbase: GMC Sierra 2500HD has a 9.8 in longer wheelbase (156.8 in vs 147.0 in)
  • Ground clearance: GMC Sierra 2500HD has 2.1 in more ground clearance (10.1 in vs 8.0 in)
  • Curb weight: GMC Sierra 2500HD is 946 lb heavier (6,528 lb vs 5,582 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 2.1 in more ground clearance (10.1 in vs 8.0 in)
  2. Curb weight: GMC Sierra 2500HD is 946 lb heavier (6,528 lb vs 5,582 lb)
  3. Wheelbase: GMC Sierra 2500HD has a 9.8 in longer wheelbase (156.8 in vs 147.0 in)
  4. Length: RAM 1500 is 15.4 in shorter (250.8 in vs 235.4 in)
  5. Width: GMC Sierra 2500HD is 3.3 in narrower (81.8 in vs 85.0 in)

Practical verdicts

  • Easier to fit in a short garageRAM 1500 — RAM 1500 is shorter by 15.4 in Check garage fit for GMC Sierra 2500HD · garage fit for RAM 1500
  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 3.3 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 2.1 in more clearance
  • Smaller exterior footprintRAM 1500 — Based on length × width (RAM 1500)

Dimension comparison

SpecGMC Sierra 2500HDRAM 1500Difference
Length250.8 in235.4 in15.4 in
Width81.8 in85.0 in3.3 in
Height79.8 in79.2 in0.7 in
Wheelbase156.8 in147.0 in9.8 in
Ground clearance10.1 in8.0 in2.1 in
Curb weight6,528 lb5,582 lb946 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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