Spec Sizes

GMC Sierra 1500 vs RAM 2500 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. GMC Sierra 1500 · RAM 2500

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

Side view
  • Length205.6 in – 239.0 in
  • Height73.5 in – 74.2 in
  • Wheelbase119.0 in – 153.0 in
  • Ground clearance8.2 in – 8.9 in
  • Curb weight4,515 lb – 5,461 lb
Front / width
  • Width80.0 in
  • RAM 2500 width79.4 in

Which is bigger?

  • Length: GMC Sierra 1500 is 8.1 in shorter (222.3 in vs 230.4 in)
  • Width: RAM 2500 is 0.6 in narrower (80.0 in vs 79.4 in)
  • Height: RAM 2500 is 3.9 in taller (73.8 in vs 77.8 in)
  • Wheelbase: RAM 2500 has a 4.5 in longer wheelbase (136.0 in vs 140.5 in)
  • Ground clearance: GMC Sierra 1500 has 1.2 in more ground clearance (8.6 in vs 7.3 in)
  • Curb weight: RAM 2500 is 1,200 lb heavier (4,988 lb vs 6,188 lb)

Biggest size differences

  1. Curb weight: RAM 2500 is 1,200 lb heavier (4,988 lb vs 6,188 lb)
  2. Ground clearance: GMC Sierra 1500 has 1.2 in more ground clearance (8.6 in vs 7.3 in)
  3. Height: RAM 2500 is 3.9 in taller (73.8 in vs 77.8 in)
  4. Length: GMC Sierra 1500 is 8.1 in shorter (222.3 in vs 230.4 in)
  5. Wheelbase: RAM 2500 has a 4.5 in longer wheelbase (136.0 in vs 140.5 in)

Practical verdicts

  • Easier to fit in a short garageGMC Sierra 1500 — GMC Sierra 1500 is shorter by 8.1 in Check garage fit for GMC Sierra 1500 · garage fit for RAM 2500
  • Narrower for tight parkingRAM 2500 — RAM 2500 is narrower by 0.6 in
  • More ground clearanceGMC Sierra 1500 — GMC Sierra 1500 has 1.2 in more clearance
  • Smaller exterior footprintGMC Sierra 1500 — Based on length × width (GMC Sierra 1500)

Dimension comparison

SpecGMC Sierra 1500RAM 2500Difference
Length222.3 in230.4 in8.1 in
Width80.0 in79.4 in0.6 in
Height73.8 in77.8 in3.9 in
Wheelbase136.0 in140.5 in4.5 in
Ground clearance8.6 in7.3 in1.2 in
Curb weight4,988 lb6,188 lb1,200 lb

Values use trim midpoints when a model year lists a range (e.g. length 205.6 in – 239.0 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