Spec Sizes

GMC Acadia vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2015 catalog dimensions. GMC Acadia · Porsche Cayenne

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

Side view
  • Length200.8 in
  • Height70.4 in
  • Wheelbase118.9 in
  • Ground clearance7.6 in
  • Curb weight4,656 lb – 4,850 lb
Front / width
  • Width78.9 in
  • Porsche Cayenne width76.3 in

Which is bigger?

  • Length: Porsche Cayenne is 9.7 in shorter (200.8 in vs 191.1 in)
  • Width: Porsche Cayenne is 2.6 in narrower (78.9 in vs 76.3 in)
  • Height: GMC Acadia is 3.4 in taller (70.4 in vs 67.0 in)
  • Wheelbase: GMC Acadia has a 4.9 in longer wheelbase (118.9 in vs 114.0 in)
  • Ground clearance: Porsche Cayenne has 0.3 in more ground clearance (7.6 in vs 7.8 in)
  • Curb weight: GMC Acadia is 46 lb heavier (4,753 lb vs 4,707 lb)

Biggest size differences

  1. Length: Porsche Cayenne is 9.7 in shorter (200.8 in vs 191.1 in)
  2. Height: GMC Acadia is 3.4 in taller (70.4 in vs 67.0 in)
  3. Wheelbase: GMC Acadia has a 4.9 in longer wheelbase (118.9 in vs 114.0 in)
  4. Width: Porsche Cayenne is 2.6 in narrower (78.9 in vs 76.3 in)
  5. Ground clearance: Porsche Cayenne has 0.3 in more ground clearance (7.6 in vs 7.8 in)

Practical verdicts

  • Easier to fit in a short garagePorsche Cayenne — Porsche Cayenne is shorter by 9.7 in Check garage fit for GMC Acadia · garage fit for Porsche Cayenne
  • Narrower for tight parkingPorsche Cayenne — Porsche Cayenne is narrower by 2.6 in
  • More ground clearancePorsche Cayenne — Porsche Cayenne has 0.3 in more clearance
  • Smaller exterior footprintPorsche Cayenne — Based on length × width (Porsche Cayenne)

Dimension comparison

SpecGMC AcadiaPorsche CayenneDifference
Length200.8 in191.1 in9.7 in
Width78.9 in76.3 in2.6 in
Height70.4 in67.0 in3.4 in
Wheelbase118.9 in114.0 in4.9 in
Ground clearance7.6 in7.8 in0.3 in
Curb weight4,753 lb4,707 lb46 lb

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

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.