Spec Sizes

Porsche Cayenne vs Audi Q8 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Porsche Cayenne · Audi Q8

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

Side view
  • Length193.7 in – 194.0 in
  • Height65.5 in – 66.8 in
  • Wheelbase114.0 in
  • Ground clearance6.6 in – 7.0 in
  • Curb weight4,582 lb – 5,056 lb
Front / width
  • Width78.1 in
  • Audi Q8 width78.5 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garagePorsche Cayenne — Porsche Cayenne is shorter by 2.8 in Check garage fit for Porsche Cayenne · garage fit for Audi Q8
  • 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

SpecPorsche CayenneAudi Q8Difference
Length193.8 in196.6 in2.8 in
Width78.1 in78.5 in0.4 in
Height66.2 in67.2 in1.0 in
Wheelbase114.0 in117.9 in3.9 in
Ground clearance6.8 in5.8 in1.0 in
Curb weight4,819 lb4,960 lb141 lb

Values use trim midpoints when a model year lists a range (e.g. length 193.7 in – 194.0 in).

Compare by year

Overlapping model years with dimension data.

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