Spec Sizes

RAM 3500 vs GMC Sierra 2500HD Dimensions & Size Comparison

Comparing 2017 vs 2023 catalog dimensions. RAM 3500 · GMC Sierra 2500HD

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

Side view
  • Length230.4 in – 259.3 in
  • Height77.7 in – 79.8 in
  • Wheelbase140.0 in – 169.5 in
  • Ground clearance7.3 in – 8.7 in
  • Curb weight6,022 lb – 7,147 lb
Front / width
  • Width79.4 in
  • GMC Sierra 2500HD width81.8 in

Which is bigger?

  • Length: RAM 3500 is 5.9 in shorter (244.9 in vs 250.8 in)
  • Width: RAM 3500 is 2.4 in narrower (79.4 in vs 81.8 in)
  • Height: GMC Sierra 2500HD is 1.1 in taller (78.8 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 2.1 in more ground clearance (8.0 in vs 10.1 in)
  • Curb weight: RAM 3500 is 57 lb heavier (6,585 lb vs 6,528 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 2.1 in more ground clearance (8.0 in vs 10.1 in)
  2. Width: RAM 3500 is 2.4 in narrower (79.4 in vs 81.8 in)
  3. Length: RAM 3500 is 5.9 in shorter (244.9 in vs 250.8 in)
  4. Height: GMC Sierra 2500HD is 1.1 in taller (78.8 in vs 79.8 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 3500 — RAM 3500 is shorter by 5.9 in Check garage fit for RAM 3500 · garage fit for GMC Sierra 2500HD
  • Narrower for tight parkingRAM 3500 — RAM 3500 is narrower by 2.4 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 2.1 in more clearance
  • Smaller exterior footprintRAM 3500 — Based on length × width (RAM 3500)

Dimension comparison

SpecRAM 3500GMC Sierra 2500HDDifference
Length244.9 in250.8 in5.9 in
Width79.4 in81.8 in2.4 in
Height78.8 in79.8 in1.1 in
Wheelbase154.8 in156.8 in2.1 in
Ground clearance8.0 in10.1 in2.1 in
Curb weight6,585 lb6,528 lb57 lb

Values use trim midpoints when a model year lists a range (e.g. length 230.4 in – 259.3 in).

Compare by year

Overlapping model years with dimension data.

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