Spec Sizes

Porsche 911 vs Audi TT RS Dimensions & Size Comparison

Comparing 2020 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
  • Height51.2 in
  • Wheelbase96.5 in
  • Ground clearance4.0 in
  • Curb weight3,382 lb – 3,641 lb
Front / width
  • Width72.9 in
  • Audi TT RS width72.1 in

Which is bigger?

  • Length: Audi TT RS is 12.9 in shorter (177.9 in vs 165.0 in)
  • Width: Audi TT RS is 0.8 in narrower (72.9 in vs 72.1 in)
  • Height: Audi TT RS is 1.7 in taller (51.2 in vs 52.9 in)
  • Wheelbase: Audi TT RS has a 2.1 in longer wheelbase (96.5 in vs 98.6 in)
  • Curb weight: Porsche 911 is 216 lb heavier (3,512 lb vs 3,296 lb)

Biggest size differences

  1. Length: Audi TT RS is 12.9 in shorter (177.9 in vs 165.0 in)
  2. Curb weight: Porsche 911 is 216 lb heavier (3,512 lb vs 3,296 lb)
  3. Height: Audi TT RS is 1.7 in taller (51.2 in vs 52.9 in)
  4. Wheelbase: Audi TT RS has a 2.1 in longer wheelbase (96.5 in vs 98.6 in)
  5. Width: Audi TT RS is 0.8 in narrower (72.9 in vs 72.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT RS — Audi TT RS is shorter by 12.9 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 0.8 in
  • Smaller exterior footprintAudi TT RS — Based on length × width (Audi TT RS)

Dimension comparison

SpecPorsche 911Audi TT RSDifference
Length177.9 in165.0 in12.9 in
Width72.9 in72.1 in0.8 in
Height51.2 in52.9 in1.7 in
Wheelbase96.5 in98.6 in2.1 in
Ground clearance4.0 in——
Curb weight3,512 lb3,296 lb216 lb

Values use trim midpoints when a model year lists a range.

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Overlapping model years with dimension data.

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