Spec Sizes

GMC Sierra 2500HD vs GMC Yukon XL Dimensions & Size Comparison

Comparing 2021 catalog dimensions. GMC Sierra 2500HD · GMC Yukon XL

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

Side view
  • Length235.5 in – 266.1 in
  • Height79.7 in – 80.0 in
  • Wheelbase141.6 in – 172.0 in
  • Ground clearance10.1 in – 10.2 in
  • Curb weight6,105 lb – 6,950 lb
Front / width
  • Width81.8 in

Which is bigger?

  • Length: GMC Yukon XL is 25.6 in shorter (250.8 in vs 225.2 in)
  • Height: GMC Sierra 2500HD is 3.3 in taller (79.8 in vs 76.5 in)
  • Wheelbase: GMC Sierra 2500HD has a 22.7 in longer wheelbase (156.8 in vs 134.1 in)
  • Curb weight: GMC Sierra 2500HD is 712 lb heavier (6,528 lb vs 5,816 lb)

Biggest size differences

  1. Wheelbase: GMC Sierra 2500HD has a 22.7 in longer wheelbase (156.8 in vs 134.1 in)
  2. Curb weight: GMC Sierra 2500HD is 712 lb heavier (6,528 lb vs 5,816 lb)
  3. Length: GMC Yukon XL is 25.6 in shorter (250.8 in vs 225.2 in)
  4. Height: GMC Sierra 2500HD is 3.3 in taller (79.8 in vs 76.5 in)

Practical verdicts

  • Easier to fit in a short garageGMC Yukon XL — GMC Yukon XL is shorter by 25.6 in

Dimension comparison

SpecGMC Sierra 2500HDGMC Yukon XLDifference
Length250.8 in225.2 in25.6 in
Width81.8 in——
Height79.8 in76.5 in3.3 in
Wheelbase156.8 in134.1 in22.7 in
Ground clearance10.1 in——
Curb weight6,528 lb5,816 lb712 lb

Values use trim midpoints when a model year lists a range (e.g. length 235.5 in – 266.1 in).

Compare by year

Overlapping model years with dimension data.

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