Spec Sizes

Nissan Titan vs GMC Sierra 2500HD Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Nissan Titan · GMC Sierra 2500HD

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

Side view
  • Length228.1 in – 228.5 in
  • Height75.1 in – 77.2 in
  • Wheelbase139.8 in
  • Ground clearance8.3 in – 9.9 in
  • Curb weight5,485 lb – 5,916 lb
Front / width
  • Width79.5 in – 80.7 in
  • GMC Sierra 2500HD width81.8 in

Which is bigger?

  • Length: Nissan Titan is 22.5 in shorter (228.3 in vs 250.8 in)
  • Width: Nissan Titan is 1.7 in narrower (80.1 in vs 81.8 in)
  • Height: GMC Sierra 2500HD is 3.7 in taller (76.2 in vs 79.8 in)
  • Wheelbase: GMC Sierra 2500HD has a 17.0 in longer wheelbase (139.8 in vs 156.8 in)
  • Ground clearance: GMC Sierra 2500HD has 1.0 in more ground clearance (9.1 in vs 10.1 in)
  • Curb weight: GMC Sierra 2500HD is 827 lb heavier (5,701 lb vs 6,528 lb)

Biggest size differences

  1. Curb weight: GMC Sierra 2500HD is 827 lb heavier (5,701 lb vs 6,528 lb)
  2. Wheelbase: GMC Sierra 2500HD has a 17.0 in longer wheelbase (139.8 in vs 156.8 in)
  3. Ground clearance: GMC Sierra 2500HD has 1.0 in more ground clearance (9.1 in vs 10.1 in)
  4. Length: Nissan Titan is 22.5 in shorter (228.3 in vs 250.8 in)
  5. Height: GMC Sierra 2500HD is 3.7 in taller (76.2 in vs 79.8 in)

Practical verdicts

  • Easier to fit in a short garageNissan Titan — Nissan Titan is shorter by 22.5 in Check garage fit for Nissan Titan · garage fit for GMC Sierra 2500HD
  • Narrower for tight parkingNissan Titan — Nissan Titan is narrower by 1.7 in
  • More ground clearanceGMC Sierra 2500HD — GMC Sierra 2500HD has 1.0 in more clearance
  • Smaller exterior footprintNissan Titan — Based on length × width (Nissan Titan)

Dimension comparison

SpecNissan TitanGMC Sierra 2500HDDifference
Length228.3 in250.8 in22.5 in
Width80.1 in81.8 in1.7 in
Height76.2 in79.8 in3.7 in
Wheelbase139.8 in156.8 in17.0 in
Ground clearance9.1 in10.1 in1.0 in
Curb weight5,701 lb6,528 lb827 lb

Values use trim midpoints when a model year lists a range (e.g. length 228.1 in – 228.5 in).

Compare by year

Overlapping model years with dimension data.

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