Spec Sizes

Audi TT RS vs Porsche 911 Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Audi TT RS · Porsche 911

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

Side view
  • Length165.0 in
  • Height52.9 in
  • Wheelbase98.6 in
  • Curb weight3,329 lb
Front / width
  • Width72.1 in
  • Porsche 911 width72.9 in – 74.9 in

Which is bigger?

  • Length: Audi TT RS is 13.3 in shorter (165.0 in vs 178.3 in)
  • Width: Audi TT RS is 1.8 in narrower (72.1 in vs 73.9 in)
  • Height: Audi TT RS is 1.7 in taller (52.9 in vs 51.2 in)
  • Wheelbase: Audi TT RS has a 2.1 in longer wheelbase (98.6 in vs 96.5 in)
  • Curb weight: Porsche 911 is 243 lb heavier (3,329 lb vs 3,572 lb)

Biggest size differences

  1. Length: Audi TT RS is 13.3 in shorter (165.0 in vs 178.3 in)
  2. Curb weight: Porsche 911 is 243 lb heavier (3,329 lb vs 3,572 lb)
  3. Height: Audi TT RS is 1.7 in taller (52.9 in vs 51.2 in)
  4. Width: Audi TT RS is 1.8 in narrower (72.1 in vs 73.9 in)
  5. Wheelbase: Audi TT RS has a 2.1 in longer wheelbase (98.6 in vs 96.5 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT RS — Audi TT RS is shorter by 13.3 in Check garage fit for Audi TT RS · garage fit for Porsche 911
  • 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

SpecAudi TT RSPorsche 911Difference
Length165.0 in178.3 in13.3 in
Width72.1 in73.9 in1.8 in
Height52.9 in51.2 in1.7 in
Wheelbase98.6 in96.5 in2.1 in
Curb weight3,329 lb3,572 lb243 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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