Spec Sizes

Audi RS 5 vs Porsche 911 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Audi RS 5 · Porsche 911

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

Side view
  • Length186.0 in – 188.3 in
  • Height54.0 in – 55.1 in
  • Wheelbase108.9 in – 111.3 in
  • Curb weight3,990 lb – 4,057 lb
Front / width
  • Width73.5 in
  • Porsche 911 width72.9 in – 74.9 in

Which is bigger?

  • Length: Porsche 911 is 8.9 in shorter (187.2 in vs 178.3 in)
  • Width: Audi RS 5 is 0.4 in narrower (73.5 in vs 73.9 in)
  • Height: Audi RS 5 is 3.3 in taller (54.5 in vs 51.2 in)
  • Wheelbase: Audi RS 5 has a 13.6 in longer wheelbase (110.1 in vs 96.5 in)
  • Curb weight: Audi RS 5 is 452 lb heavier (4,024 lb vs 3,572 lb)

Biggest size differences

  1. Wheelbase: Audi RS 5 has a 13.6 in longer wheelbase (110.1 in vs 96.5 in)
  2. Curb weight: Audi RS 5 is 452 lb heavier (4,024 lb vs 3,572 lb)
  3. Height: Audi RS 5 is 3.3 in taller (54.5 in vs 51.2 in)
  4. Length: Porsche 911 is 8.9 in shorter (187.2 in vs 178.3 in)
  5. Width: Audi RS 5 is 0.4 in narrower (73.5 in vs 73.9 in)

Practical verdicts

  • Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 8.9 in Check garage fit for Audi RS 5 · garage fit for Porsche 911
  • Narrower for tight parkingAudi RS 5 — Audi RS 5 is narrower by 0.4 in
  • Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)

Dimension comparison

SpecAudi RS 5Porsche 911Difference
Length187.2 in178.3 in8.9 in
Width73.5 in73.9 in0.4 in
Height54.5 in51.2 in3.3 in
Wheelbase110.1 in96.5 in13.6 in
Curb weight4,024 lb3,572 lb452 lb

Values use trim midpoints when a model year lists a range (e.g. length 186.0 in – 188.3 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.