Spec Sizes

Audi TT vs Porsche 911 Dimensions & Size Comparison

Comparing 2010 catalog dimensions. Audi TT · Porsche 911

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

Side view
  • Length164.5 in
  • Height53.5 in
  • Wheelbase97.2 in
  • Curb weight3,153 lb – 3,307 lb
Front / width
  • Width72.5 in
  • Porsche 911 width71.2 in – 72.9 in

Which is bigger?

  • Length: Audi TT is 11.5 in shorter (164.5 in vs 176.0 in)
  • Width: Porsche 911 is 0.4 in narrower (72.5 in vs 72.1 in)
  • Height: Audi TT is 2.5 in taller (53.5 in vs 51.0 in)
  • Wheelbase: Audi TT has a 4.6 in longer wheelbase (97.2 in vs 92.6 in)
  • Curb weight: Porsche 911 is 121 lb heavier (3,230 lb vs 3,351 lb)

Biggest size differences

  1. Length: Audi TT is 11.5 in shorter (164.5 in vs 176.0 in)
  2. Wheelbase: Audi TT has a 4.6 in longer wheelbase (97.2 in vs 92.6 in)
  3. Height: Audi TT is 2.5 in taller (53.5 in vs 51.0 in)
  4. Curb weight: Porsche 911 is 121 lb heavier (3,230 lb vs 3,351 lb)
  5. Width: Porsche 911 is 0.4 in narrower (72.5 in vs 72.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT — Audi TT is shorter by 11.5 in Check garage fit for Audi TT · garage fit for Porsche 911
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 0.4 in
  • Smaller exterior footprintAudi TT — Based on length × width (Audi TT)

Dimension comparison

SpecAudi TTPorsche 911Difference
Length164.5 in176.0 in11.5 in
Width72.5 in72.1 in0.4 in
Height53.5 in51.0 in2.5 in
Wheelbase97.2 in92.6 in4.6 in
Ground clearance—4.0 in—
Curb weight3,230 lb3,351 lb121 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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