Porsche Cayenne vs GMC Acadia Dimensions & Size Comparison

Comparing 2009 catalog dimensions. Porsche Cayenne · GMC Acadia

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

Side view
  • Length188.8 in – 188.9 in
  • Height66.9 in
  • Wheelbase112.4 in
  • Ground clearance8.6 in – 10.7 in
  • Curb weight4,762 lb – 5,191 lb
Front / width
  • Width75.9 in
  • GMC Acadia width78.2 in

Which is bigger?

  • Length: Porsche Cayenne is 11.8 in shorter (188.9 in vs 200.7 in)
  • Width: Porsche Cayenne is 2.3 in narrower (75.9 in vs 78.2 in)
  • Height: GMC Acadia is 5.9 in taller (66.9 in vs 72.8 in)
  • Wheelbase: GMC Acadia has a 6.5 in longer wheelbase (112.4 in vs 118.9 in)
  • Curb weight: Porsche Cayenne is 148 lb heavier (4,977 lb vs 4,829 lb)

Biggest size differences

  1. Height: GMC Acadia is 5.9 in taller (66.9 in vs 72.8 in)
  2. Length: Porsche Cayenne is 11.8 in shorter (188.9 in vs 200.7 in)
  3. Wheelbase: GMC Acadia has a 6.5 in longer wheelbase (112.4 in vs 118.9 in)
  4. Curb weight: Porsche Cayenne is 148 lb heavier (4,977 lb vs 4,829 lb)
  5. Width: Porsche Cayenne is 2.3 in narrower (75.9 in vs 78.2 in)

Practical verdicts

  • Easier to fit in a short garagePorsche CayennePorsche Cayenne is shorter by 11.8 in Check garage fit for Porsche Cayenne · garage fit for GMC Acadia
  • Narrower for tight parkingPorsche CayennePorsche Cayenne is narrower by 2.3 in
  • Smaller exterior footprintPorsche CayenneBased on length × width (Porsche Cayenne)

Dimension comparison

SpecPorsche CayenneGMC AcadiaDifference
Length188.9 in200.7 in11.8 in
Width75.9 in78.2 in2.3 in
Height66.9 in72.8 in5.9 in
Wheelbase112.4 in118.9 in6.5 in
Ground clearance9.6 in
Curb weight4,977 lb4,829 lb148 lb

Values use trim midpoints when a model year lists a range (e.g. length 188.8 in – 188.9 in).

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.