Spec Sizes

GMC Sierra 1500 vs RAM 3500 Dimensions & Size Comparison

Comparing 2020 catalog dimensions. GMC Sierra 1500 · RAM 3500

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

Side view
  • Length229.6 in – 241.2 in
  • Height75.4 in – 75.6 in
  • Wheelbase139.6 in – 157.0 in
  • Ground clearance7.8 in – 10.9 in
  • Curb weight4,520 lb – 5,270 lb
Front / width
  • Width81.2 in
  • RAM 3500 width79.4 in

Which is bigger?

  • Length: GMC Sierra 1500 is 11.0 in shorter (235.4 in vs 246.4 in)
  • Width: RAM 3500 is 1.8 in narrower (81.2 in vs 79.4 in)
  • Height: RAM 3500 is 3.3 in taller (75.5 in vs 78.8 in)
  • Wheelbase: RAM 3500 has a 6.4 in longer wheelbase (148.3 in vs 154.8 in)
  • Ground clearance: GMC Sierra 1500 has 1.4 in more ground clearance (9.3 in vs 7.9 in)
  • Curb weight: RAM 3500 is 1,901 lb heavier (4,895 lb vs 6,796 lb)

Biggest size differences

  1. Curb weight: RAM 3500 is 1,901 lb heavier (4,895 lb vs 6,796 lb)
  2. Ground clearance: GMC Sierra 1500 has 1.4 in more ground clearance (9.3 in vs 7.9 in)
  3. Length: GMC Sierra 1500 is 11.0 in shorter (235.4 in vs 246.4 in)
  4. Height: RAM 3500 is 3.3 in taller (75.5 in vs 78.8 in)
  5. Wheelbase: RAM 3500 has a 6.4 in longer wheelbase (148.3 in vs 154.8 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 GMC Sierra 1500 · garage fit for RAM 3500
  • Narrower for tight parkingRAM 3500 — RAM 3500 is narrower by 1.8 in
  • More ground clearanceGMC Sierra 1500 — GMC Sierra 1500 has 1.4 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 1500RAM 3500Difference
Length235.4 in246.4 in11.0 in
Width81.2 in79.4 in1.8 in
Height75.5 in78.8 in3.3 in
Wheelbase148.3 in154.8 in6.4 in
Ground clearance9.3 in7.9 in1.4 in
Curb weight4,895 lb6,796 lb1,901 lb

Values use trim midpoints when a model year lists a range (e.g. length 229.6 in – 241.2 in).

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.

Related comparisons