Spec Sizes

GMC Sierra 2500HD vs RAM 3500 Dimensions & Size Comparison

Comparing 2015 catalog dimensions. GMC Sierra 2500HD · RAM 3500

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 weight5,717 lb – 6,689 lb
Front / width
  • Width80.1 in – 80.5 in
  • RAM 3500 width79.4 in

Which is bigger?

  • Length: RAM 3500 is 11.0 in shorter (241.4 in vs 230.4 in)
  • Width: RAM 3500 is 0.9 in narrower (80.3 in vs 79.4 in)
  • Height: RAM 3500 is 0.4 in taller (78.0 in vs 78.4 in)
  • Wheelbase: GMC Sierra 2500HD has a 10.6 in longer wheelbase (150.6 in vs 140.0 in)
  • Ground clearance: GMC Sierra 2500HD has 1.3 in more ground clearance (9.3 in vs 7.9 in)
  • Curb weight: GMC Sierra 2500HD is 28 lb heavier (6,203 lb vs 6,176 lb)

Biggest size differences

  1. Ground clearance: GMC Sierra 2500HD has 1.3 in more ground clearance (9.3 in vs 7.9 in)
  2. Wheelbase: GMC Sierra 2500HD has a 10.6 in longer wheelbase (150.6 in vs 140.0 in)
  3. Length: RAM 3500 is 11.0 in shorter (241.4 in vs 230.4 in)
  4. Width: RAM 3500 is 0.9 in narrower (80.3 in vs 79.4 in)
  5. Height: RAM 3500 is 0.4 in taller (78.0 in vs 78.4 in)

Practical verdicts

  • Easier to fit in a short garageRAM 3500 — RAM 3500 is shorter by 11.0 in Check garage fit for GMC Sierra 2500HD · garage fit for RAM 3500
  • Narrower for tight parkingRAM 3500 — RAM 3500 is narrower by 0.9 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 1.3 in more clearance
  • Smaller exterior footprintRAM 3500 — Based on length × width (RAM 3500)

Dimension comparison

SpecGMC Sierra 2500HDRAM 3500Difference
Length241.4 in230.4 in11.0 in
Width80.3 in79.4 in0.9 in
Height78.0 in78.4 in0.4 in
Wheelbase150.6 in140.0 in10.6 in
Ground clearance9.3 in7.9 in1.3 in
Curb weight6,203 lb6,176 lb28 lb

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

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Overlapping model years with dimension data.

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