Spec Sizes

Audi RS Q8 vs Porsche Cayenne Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Audi RS Q8 · Porsche Cayenne

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

Side view
  • Length197.3 in
  • Height66.7 in
  • Wheelbase117.9 in
  • Curb weight5,490 lb
Front / width
  • Width78.7 in
  • Porsche Cayenne width78.1 in

Which is bigger?

  • Length: Porsche Cayenne is 3.5 in shorter (197.3 in vs 193.8 in)
  • Width: Porsche Cayenne is 0.6 in narrower (78.7 in vs 78.1 in)
  • Height: Audi RS Q8 is 0.5 in taller (66.7 in vs 66.2 in)
  • Wheelbase: Audi RS Q8 has a 3.9 in longer wheelbase (117.9 in vs 114.0 in)
  • Curb weight: Audi RS Q8 is 671 lb heavier (5,490 lb vs 4,819 lb)

Biggest size differences

  1. Curb weight: Audi RS Q8 is 671 lb heavier (5,490 lb vs 4,819 lb)
  2. Wheelbase: Audi RS Q8 has a 3.9 in longer wheelbase (117.9 in vs 114.0 in)
  3. Length: Porsche Cayenne is 3.5 in shorter (197.3 in vs 193.8 in)
  4. Height: Audi RS Q8 is 0.5 in taller (66.7 in vs 66.2 in)
  5. Width: Porsche Cayenne is 0.6 in narrower (78.7 in vs 78.1 in)

Practical verdicts

  • Easier to fit in a short garagePorsche Cayenne — Porsche Cayenne is shorter by 3.5 in Check garage fit for Audi RS Q8 · garage fit for Porsche Cayenne
  • Narrower for tight parkingPorsche Cayenne — Porsche Cayenne is narrower by 0.6 in
  • Smaller exterior footprintPorsche Cayenne — Based on length × width (Porsche Cayenne)

Dimension comparison

SpecAudi RS Q8Porsche CayenneDifference
Length197.3 in193.8 in3.5 in
Width78.7 in78.1 in0.6 in
Height66.7 in66.2 in0.5 in
Wheelbase117.9 in114.0 in3.9 in
Ground clearance—6.8 in—
Curb weight5,490 lb4,819 lb671 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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