Spec Sizes

Audi Q8 vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Audi Q8 · Porsche Cayenne

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

Side view
  • Length196.6 in
  • Height67.2 in
  • Wheelbase117.9 in
  • Ground clearance5.8 in
  • Curb weight4,960 lb
Front / width
  • Width78.5 in
  • Porsche Cayenne width78.1 in

Which is bigger?

  • Length: Porsche Cayenne is 2.8 in shorter (196.6 in vs 193.8 in)
  • Width: Porsche Cayenne is 0.4 in narrower (78.5 in vs 78.1 in)
  • Height: Audi Q8 is 1.0 in taller (67.2 in vs 66.2 in)
  • Wheelbase: Audi Q8 has a 3.9 in longer wheelbase (117.9 in vs 114.0 in)
  • Ground clearance: Porsche Cayenne has 1.0 in more ground clearance (5.8 in vs 6.8 in)
  • Curb weight: Audi Q8 is 141 lb heavier (4,960 lb vs 4,819 lb)

Biggest size differences

  1. Ground clearance: Porsche Cayenne has 1.0 in more ground clearance (5.8 in vs 6.8 in)
  2. Wheelbase: Audi Q8 has a 3.9 in longer wheelbase (117.9 in vs 114.0 in)
  3. Curb weight: Audi Q8 is 141 lb heavier (4,960 lb vs 4,819 lb)
  4. Height: Audi Q8 is 1.0 in taller (67.2 in vs 66.2 in)
  5. Length: Porsche Cayenne is 2.8 in shorter (196.6 in vs 193.8 in)

Practical verdicts

  • Easier to fit in a short garagePorsche Cayenne — Porsche Cayenne is shorter by 2.8 in Check garage fit for Audi Q8 · garage fit for Porsche Cayenne
  • Narrower for tight parkingPorsche Cayenne — Porsche Cayenne is narrower by 0.4 in
  • More ground clearancePorsche Cayenne — Porsche Cayenne has 1.0 in more clearance
  • Smaller exterior footprintPorsche Cayenne — Based on length × width (Porsche Cayenne)

Dimension comparison

SpecAudi Q8Porsche CayenneDifference
Length196.6 in193.8 in2.8 in
Width78.5 in78.1 in0.4 in
Height67.2 in66.2 in1.0 in
Wheelbase117.9 in114.0 in3.9 in
Ground clearance5.8 in6.8 in1.0 in
Curb weight4,960 lb4,819 lb141 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.