Spec Sizes

GMC Acadia vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2020 catalog dimensions. GMC Acadia · Porsche Cayenne

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

Side view
  • Length193.4 in
  • Height66.7 in
  • Wheelbase112.5 in
  • Ground clearance7.2 in
  • Curb weight3,923 lb – 4,390 lb
Front / width
  • Width75.4 in
  • Porsche Cayenne width78.1 in

Which is bigger?

  • Length: GMC Acadia is 0.4 in shorter (193.4 in vs 193.8 in)
  • Width: GMC Acadia is 2.7 in narrower (75.4 in vs 78.1 in)
  • Height: GMC Acadia is 0.4 in taller (66.7 in vs 66.3 in)
  • Wheelbase: Porsche Cayenne has a 1.5 in longer wheelbase (112.5 in vs 114.0 in)
  • Ground clearance: GMC Acadia has 0.6 in more ground clearance (7.2 in vs 6.6 in)
  • Curb weight: Porsche Cayenne is 663 lb heavier (4,157 lb vs 4,819 lb)

Biggest size differences

  1. Curb weight: Porsche Cayenne is 663 lb heavier (4,157 lb vs 4,819 lb)
  2. Ground clearance: GMC Acadia has 0.6 in more ground clearance (7.2 in vs 6.6 in)
  3. Width: GMC Acadia is 2.7 in narrower (75.4 in vs 78.1 in)
  4. Wheelbase: Porsche Cayenne has a 1.5 in longer wheelbase (112.5 in vs 114.0 in)
  5. Height: GMC Acadia is 0.4 in taller (66.7 in vs 66.3 in)

Practical verdicts

  • Easier to fit in a short garageGMC Acadia — GMC Acadia is shorter by 0.4 in Check garage fit for GMC Acadia · garage fit for Porsche Cayenne
  • Narrower for tight parkingGMC Acadia — GMC Acadia is narrower by 2.7 in
  • More ground clearanceGMC Acadia — GMC Acadia has 0.6 in more clearance
  • Smaller exterior footprintGMC Acadia — Based on length × width (GMC Acadia)

Dimension comparison

SpecGMC AcadiaPorsche CayenneDifference
Length193.4 in193.8 in0.4 in
Width75.4 in78.1 in2.7 in
Height66.7 in66.3 in0.4 in
Wheelbase112.5 in114.0 in1.5 in
Ground clearance7.2 in6.6 in0.6 in
Curb weight4,157 lb4,819 lb663 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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