Spec Sizes

GMC Yukon XL vs GMC Sierra 1500 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. GMC Yukon XL · GMC Sierra 1500

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

Side view
  • Length225.2 in
  • Height76.5 in
  • Wheelbase134.1 in
  • Curb weight5,633 lb – 5,998 lb
Front / width
  • GMC Sierra 1500 width81.2 in

Which is bigger?

  • Length: GMC Yukon XL is 10.2 in shorter (225.2 in vs 235.4 in)
  • Height: GMC Sierra 1500 is 0.3 in taller (76.5 in vs 76.8 in)
  • Wheelbase: GMC Sierra 1500 has a 14.2 in longer wheelbase (134.1 in vs 148.3 in)
  • Curb weight: GMC Yukon XL is 791 lb heavier (5,816 lb vs 5,025 lb)

Biggest size differences

  1. Curb weight: GMC Yukon XL is 791 lb heavier (5,816 lb vs 5,025 lb)
  2. Wheelbase: GMC Sierra 1500 has a 14.2 in longer wheelbase (134.1 in vs 148.3 in)
  3. Length: GMC Yukon XL is 10.2 in shorter (225.2 in vs 235.4 in)
  4. Height: GMC Sierra 1500 is 0.3 in taller (76.5 in vs 76.8 in)

Practical verdicts

  • Easier to fit in a short garageGMC Yukon XL — GMC Yukon XL is shorter by 10.2 in

Dimension comparison

SpecGMC Yukon XLGMC Sierra 1500Difference
Length225.2 in235.4 in10.2 in
Width—81.2 in—
Height76.5 in76.8 in0.3 in
Wheelbase134.1 in148.3 in14.2 in
Ground clearance—9.4 in—
Curb weight5,816 lb5,025 lb791 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

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