Spec Sizes

GMC Acadia vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2012 catalog dimensions. GMC Acadia · Porsche Cayenne

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

Side view
  • Length200.7 in
  • Height72.8 in
  • Wheelbase118.9 in
  • Curb weight4,656 lb – 4,857 lb
Front / width
  • Width78.2 in
  • Porsche Cayenne width76.3 in

Which is bigger?

  • Length: Porsche Cayenne is 9.9 in shorter (200.7 in vs 190.8 in)
  • Width: Porsche Cayenne is 1.9 in narrower (78.2 in vs 76.3 in)
  • Height: GMC Acadia is 5.6 in taller (72.8 in vs 67.2 in)
  • Wheelbase: GMC Acadia has a 4.9 in longer wheelbase (118.9 in vs 114.0 in)
  • Curb weight: GMC Acadia is 166 lb heavier (4,757 lb vs 4,591 lb)

Biggest size differences

  1. Height: GMC Acadia is 5.6 in taller (72.8 in vs 67.2 in)
  2. Length: Porsche Cayenne is 9.9 in shorter (200.7 in vs 190.8 in)
  3. Wheelbase: GMC Acadia has a 4.9 in longer wheelbase (118.9 in vs 114.0 in)
  4. Curb weight: GMC Acadia is 166 lb heavier (4,757 lb vs 4,591 lb)
  5. Width: Porsche Cayenne is 1.9 in narrower (78.2 in vs 76.3 in)

Practical verdicts

  • Easier to fit in a short garagePorsche Cayenne — Porsche Cayenne is shorter by 9.9 in Check garage fit for GMC Acadia · garage fit for Porsche Cayenne
  • Narrower for tight parkingPorsche Cayenne — Porsche Cayenne is narrower by 1.9 in
  • Smaller exterior footprintPorsche Cayenne — Based on length × width (Porsche Cayenne)

Dimension comparison

SpecGMC AcadiaPorsche CayenneDifference
Length200.7 in190.8 in9.9 in
Width78.2 in76.3 in1.9 in
Height72.8 in67.2 in5.6 in
Wheelbase118.9 in114.0 in4.9 in
Ground clearance—9.8 in—
Curb weight4,757 lb4,591 lb166 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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