Spec Sizes

GMC Sierra 1500 vs GMC Yukon XL Dimensions & Size Comparison

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

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 – 78.3 in
  • Wheelbase139.6 in – 157.0 in
  • Ground clearance7.9 in – 10.9 in
  • Curb weight4,520 lb – 5,530 lb
Front / width
  • Width81.2 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

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

Dimension comparison

SpecGMC Sierra 1500GMC Yukon XLDifference
Length235.4 in225.2 in10.2 in
Width81.2 in——
Height76.8 in76.5 in0.3 in
Wheelbase148.3 in134.1 in14.2 in
Ground clearance9.4 in——
Curb weight5,025 lb5,816 lb791 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.

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