Spec Sizes

Porsche 911 vs Audi TT Dimensions & Size Comparison

Comparing 2009 catalog dimensions. Porsche 911 · Audi TT

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

Side view
  • Length175.6 in – 176.3 in
  • Height51.2 in – 51.6 in
  • Wheelbase92.5 in
  • Ground clearance3.8 in – 4.3 in
  • Curb weight3,075 lb – 3,494 lb
Front / width
  • Width71.2 in – 72.9 in
  • Audi TT width72.5 in

Which is bigger?

  • Length: Audi TT is 11.4 in shorter (175.9 in vs 164.5 in)
  • Width: Porsche 911 is 0.4 in narrower (72.1 in vs 72.5 in)
  • Height: Audi TT is 2.1 in taller (51.4 in vs 53.5 in)
  • Wheelbase: Audi TT has a 4.7 in longer wheelbase (92.5 in vs 97.2 in)
  • Curb weight: Porsche 911 is 77 lb heavier (3,285 lb vs 3,208 lb)

Biggest size differences

  1. Length: Audi TT is 11.4 in shorter (175.9 in vs 164.5 in)
  2. Wheelbase: Audi TT has a 4.7 in longer wheelbase (92.5 in vs 97.2 in)
  3. Height: Audi TT is 2.1 in taller (51.4 in vs 53.5 in)
  4. Curb weight: Porsche 911 is 77 lb heavier (3,285 lb vs 3,208 lb)
  5. Width: Porsche 911 is 0.4 in narrower (72.1 in vs 72.5 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT — Audi TT is shorter by 11.4 in Check garage fit for Porsche 911 · garage fit for Audi TT
  • 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

SpecPorsche 911Audi TTDifference
Length175.9 in164.5 in11.4 in
Width72.1 in72.5 in0.4 in
Height51.4 in53.5 in2.1 in
Wheelbase92.5 in97.2 in4.7 in
Ground clearance4.0 in——
Curb weight3,285 lb3,208 lb77 lb

Values use trim midpoints when a model year lists a range (e.g. length 175.6 in – 176.3 in).

Compare by year

Overlapping model years with dimension data.

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