Spec Sizes

RAM 3500 vs GMC Sierra 1500 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. RAM 3500 · GMC Sierra 1500

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

Side view
  • Length232.0 in – 260.8 in
  • Height77.8 in – 79.8 in
  • Wheelbase140.0 in – 169.5 in
  • Ground clearance7.3 in – 8.5 in
  • Curb weight6,056 lb – 7,536 lb
Front / width
  • Width79.4 in
  • GMC Sierra 1500 width81.2 in

Which is bigger?

  • Length: GMC Sierra 1500 is 11.0 in shorter (246.4 in vs 235.4 in)
  • Width: RAM 3500 is 1.8 in narrower (79.4 in vs 81.2 in)
  • Height: RAM 3500 is 2.0 in taller (78.8 in vs 76.8 in)
  • Wheelbase: RAM 3500 has a 6.4 in longer wheelbase (154.8 in vs 148.3 in)
  • Ground clearance: GMC Sierra 1500 has 1.5 in more ground clearance (7.9 in vs 9.4 in)
  • Curb weight: RAM 3500 is 1,771 lb heavier (6,796 lb vs 5,025 lb)

Biggest size differences

  1. Curb weight: RAM 3500 is 1,771 lb heavier (6,796 lb vs 5,025 lb)
  2. Ground clearance: GMC Sierra 1500 has 1.5 in more ground clearance (7.9 in vs 9.4 in)
  3. Length: GMC Sierra 1500 is 11.0 in shorter (246.4 in vs 235.4 in)
  4. Wheelbase: RAM 3500 has a 6.4 in longer wheelbase (154.8 in vs 148.3 in)
  5. Height: RAM 3500 is 2.0 in taller (78.8 in vs 76.8 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 11.0 in Check garage fit for RAM 3500 · garage fit for GMC Sierra 1500
  • Narrower for tight parkingRAM 3500 — RAM 3500 is narrower by 1.8 in
  • More ground clearanceGMC Sierra 1500 — GMC Sierra 1500 has 1.5 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecRAM 3500GMC Sierra 1500Difference
Length246.4 in235.4 in11.0 in
Width79.4 in81.2 in1.8 in
Height78.8 in76.8 in2.0 in
Wheelbase154.8 in148.3 in6.4 in
Ground clearance7.9 in9.4 in1.5 in
Curb weight6,796 lb5,025 lb1,771 lb

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

Compare by year

Overlapping model years with dimension data.

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