Spec Sizes

GMC Sierra 1500 vs GMC Yukon Dimensions & Size Comparison

Comparing 1999 catalog dimensions. GMC Sierra 1500 · GMC Yukon

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

Side view
  • Length203.0 in – 246.4 in
  • Height70.6 in – 73.8 in
  • Wheelbase119.0 in – 157.5 in
  • Curb weight3,923 lb – 4,748 lb
Front / width
  • Width77.1 in – 78.5 in
  • GMC Yukon width76.8 in

Which is bigger?

  • Length: GMC Yukon is 25.1 in shorter (224.7 in vs 199.6 in)
  • Width: GMC Yukon is 1.0 in narrower (77.8 in vs 76.8 in)
  • Height: GMC Yukon is 1.7 in taller (72.2 in vs 73.9 in)
  • Wheelbase: GMC Sierra 1500 has a 20.8 in longer wheelbase (138.3 in vs 117.5 in)
  • Curb weight: GMC Yukon is 314 lb heavier (4,336 lb vs 4,649 lb)

Biggest size differences

  1. Wheelbase: GMC Sierra 1500 has a 20.8 in longer wheelbase (138.3 in vs 117.5 in)
  2. Length: GMC Yukon is 25.1 in shorter (224.7 in vs 199.6 in)
  3. Curb weight: GMC Yukon is 314 lb heavier (4,336 lb vs 4,649 lb)
  4. Height: GMC Yukon is 1.7 in taller (72.2 in vs 73.9 in)
  5. Width: GMC Yukon is 1.0 in narrower (77.8 in vs 76.8 in)

Practical verdicts

  • Easier to fit in a short garageGMC Yukon — GMC Yukon is shorter by 25.1 in Check garage fit for GMC Sierra 1500 · garage fit for GMC Yukon
  • Narrower for tight parkingGMC Yukon — GMC Yukon is narrower by 1.0 in
  • Smaller exterior footprintGMC Yukon — Based on length × width (GMC Yukon)

Dimension comparison

SpecGMC Sierra 1500GMC YukonDifference
Length224.7 in199.6 in25.1 in
Width77.8 in76.8 in1.0 in
Height72.2 in73.9 in1.7 in
Wheelbase138.3 in117.5 in20.8 in
Curb weight4,336 lb4,649 lb314 lb

Values use trim midpoints when a model year lists a range (e.g. length 203.0 in – 246.4 in).

Compare by year

Overlapping model years with dimension data.

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