Spec Sizes

Porsche 911 vs Audi TT RS Dimensions & Size Comparison

Comparing 2022 vs 2021 catalog dimensions. Porsche 911 · Audi TT RS

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

Side view
  • Length177.9 in – 180.0 in
  • Height50.4 in – 51.3 in
  • Wheelbase96.5 in – 96.7 in
  • Curb weight3,164 lb – 3,790 lb
Front / width
  • Width72.9 in – 74.9 in
  • Audi TT RS width72.1 in

Which is bigger?

  • Length: Audi TT RS is 13.9 in shorter (178.9 in vs 165.0 in)
  • Width: Audi TT RS is 1.8 in narrower (73.9 in vs 72.1 in)
  • Height: Audi TT RS is 2.1 in taller (50.8 in vs 52.9 in)
  • Wheelbase: Audi TT RS has a 2.0 in longer wheelbase (96.6 in vs 98.6 in)
  • Curb weight: Porsche 911 is 148 lb heavier (3,477 lb vs 3,329 lb)

Biggest size differences

  1. Length: Audi TT RS is 13.9 in shorter (178.9 in vs 165.0 in)
  2. Curb weight: Porsche 911 is 148 lb heavier (3,477 lb vs 3,329 lb)
  3. Height: Audi TT RS is 2.1 in taller (50.8 in vs 52.9 in)
  4. Width: Audi TT RS is 1.8 in narrower (73.9 in vs 72.1 in)
  5. Wheelbase: Audi TT RS has a 2.0 in longer wheelbase (96.6 in vs 98.6 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT RS — Audi TT RS is shorter by 13.9 in Check garage fit for Porsche 911 · garage fit for Audi TT RS
  • Narrower for tight parkingAudi TT RS — Audi TT RS is narrower by 1.8 in
  • Smaller exterior footprintAudi TT RS — Based on length × width (Audi TT RS)

Dimension comparison

SpecPorsche 911Audi TT RSDifference
Length178.9 in165.0 in13.9 in
Width73.9 in72.1 in1.8 in
Height50.8 in52.9 in2.1 in
Wheelbase96.6 in98.6 in2.0 in
Curb weight3,477 lb3,329 lb148 lb

Values use trim midpoints when a model year lists a range (e.g. length 177.9 in – 180.0 in).

Compare by year

Overlapping model years with dimension data.

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