Spec Sizes

RAM 3500 vs GMC Sierra 2500HD Dimensions & Size Comparison

Comparing 2012 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 – 259.4 in
  • Height73.6 in – 78.4 in
  • Wheelbase140.5 in – 169.5 in
  • Ground clearance7.8 in – 8.4 in
  • Curb weight6,852 lb – 8,039 lb
Front / width
  • Width79.5 in – 96.4 in
  • GMC Sierra 2500HD width80.0 in

Which is bigger?

  • Length: GMC Sierra 2500HD is 2.8 in shorter (244.9 in vs 242.1 in)
  • Width: GMC Sierra 2500HD is 8.0 in narrower (88.0 in vs 80.0 in)
  • Height: GMC Sierra 2500HD is 1.9 in taller (76.0 in vs 77.9 in)
  • Wheelbase: RAM 3500 has a 4.3 in longer wheelbase (155.0 in vs 150.7 in)
  • Ground clearance: GMC Sierra 2500HD has 1.7 in more ground clearance (8.1 in vs 9.8 in)
  • Curb weight: RAM 3500 is 1,330 lb heavier (7,446 lb vs 6,116 lb)

Biggest size differences

  1. Curb weight: RAM 3500 is 1,330 lb heavier (7,446 lb vs 6,116 lb)
  2. Ground clearance: GMC Sierra 2500HD has 1.7 in more ground clearance (8.1 in vs 9.8 in)
  3. Width: GMC Sierra 2500HD is 8.0 in narrower (88.0 in vs 80.0 in)
  4. Wheelbase: RAM 3500 has a 4.3 in longer wheelbase (155.0 in vs 150.7 in)
  5. Height: GMC Sierra 2500HD is 1.9 in taller (76.0 in vs 77.9 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 2500HD — GMC Sierra 2500HD is shorter by 2.8 in Check garage fit for RAM 3500 · garage fit for GMC Sierra 2500HD
  • Narrower for tight parkingGMC Sierra 2500HD — GMC Sierra 2500HD is narrower by 8.0 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 1.7 in more clearance
  • Smaller exterior footprintGMC Sierra 2500HD — Based on length × width (GMC Sierra 2500HD)

Dimension comparison

SpecRAM 3500GMC Sierra 2500HDDifference
Length244.9 in242.1 in2.8 in
Width88.0 in80.0 in8.0 in
Height76.0 in77.9 in1.9 in
Wheelbase155.0 in150.7 in4.3 in
Ground clearance8.1 in9.8 in1.7 in
Curb weight7,446 lb6,116 lb1,330 lb

Values use trim midpoints when a model year lists a range (e.g. length 230.4 in – 259.4 in).

Compare by year

Overlapping model years with dimension data.

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