Spec Sizes

RAM 2500 vs GMC Sierra 2500HD Dimensions & Size Comparison

Comparing 2020 catalog dimensions. RAM 2500 · GMC Sierra 2500HD

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

Side view
  • Length232.0 in – 260.8 in
  • Height78.0 in – 80.9 in
  • Wheelbase140.5 in – 169.0 in
  • Ground clearance7.3 in – 8.6 in
  • Curb weight5,988 lb – 7,431 lb
Front / width
  • Width79.1 in – 79.5 in
  • GMC Sierra 2500HD width81.8 in

Which is bigger?

  • Length: RAM 2500 is 4.4 in shorter (246.4 in vs 250.8 in)
  • Width: RAM 2500 is 2.5 in narrower (79.3 in vs 81.8 in)
  • Height: GMC Sierra 2500HD is 0.4 in taller (79.5 in vs 79.8 in)
  • Wheelbase: GMC Sierra 2500HD has a 2.1 in longer wheelbase (154.8 in vs 156.8 in)
  • Ground clearance: GMC Sierra 2500HD has 2.2 in more ground clearance (7.9 in vs 10.1 in)
  • Curb weight: RAM 2500 is 182 lb heavier (6,710 lb vs 6,528 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 2.2 in more ground clearance (7.9 in vs 10.1 in)
  2. Width: RAM 2500 is 2.5 in narrower (79.3 in vs 81.8 in)
  3. Curb weight: RAM 2500 is 182 lb heavier (6,710 lb vs 6,528 lb)
  4. Length: RAM 2500 is 4.4 in shorter (246.4 in vs 250.8 in)
  5. Wheelbase: GMC Sierra 2500HD has a 2.1 in longer wheelbase (154.8 in vs 156.8 in)

Practical verdicts

  • Easier to fit in a short garageRAM 2500 — RAM 2500 is shorter by 4.4 in Check garage fit for RAM 2500 · garage fit for GMC Sierra 2500HD
  • Narrower for tight parkingRAM 2500 — RAM 2500 is narrower by 2.5 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 2.2 in more clearance
  • Smaller exterior footprintRAM 2500 — Based on length × width (RAM 2500)

Dimension comparison

SpecRAM 2500GMC Sierra 2500HDDifference
Length246.4 in250.8 in4.4 in
Width79.3 in81.8 in2.5 in
Height79.5 in79.8 in0.4 in
Wheelbase154.8 in156.8 in2.1 in
Ground clearance7.9 in10.1 in2.2 in
Curb weight6,710 lb6,528 lb182 lb

Values use trim midpoints when a model year lists a range (e.g. length 232.0 in – 260.8 in).

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Overlapping model years with dimension data.

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