Spec Sizes

Audi TT vs Porsche 911 Dimensions & Size Comparison

Comparing 2005 catalog dimensions. Audi TT · Porsche 911

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

Side view
  • Length159.1 in
  • Height53.0 in
  • Wheelbase95.4 in – 95.6 in
  • Curb weight2,987 lb – 3,638 lb
Front / width
  • Width73.1 in
  • Porsche 911 width69.7 in – 72.1 in

Which is bigger?

  • Length: Audi TT is 16.0 in shorter (159.1 in vs 175.1 in)
  • Width: Porsche 911 is 2.2 in narrower (73.1 in vs 70.9 in)
  • Height: Audi TT is 2.1 in taller (53.0 in vs 50.9 in)
  • Wheelbase: Audi TT has a 2.9 in longer wheelbase (95.5 in vs 92.6 in)
  • Curb weight: Porsche 911 is 39 lb heavier (3,313 lb vs 3,351 lb)

Biggest size differences

  1. Length: Audi TT is 16.0 in shorter (159.1 in vs 175.1 in)
  2. Height: Audi TT is 2.1 in taller (53.0 in vs 50.9 in)
  3. Wheelbase: Audi TT has a 2.9 in longer wheelbase (95.5 in vs 92.6 in)
  4. Width: Porsche 911 is 2.2 in narrower (73.1 in vs 70.9 in)
  5. Curb weight: Porsche 911 is 39 lb heavier (3,313 lb vs 3,351 lb)

Practical verdicts

  • Easier to fit in a short garageAudi TT — Audi TT is shorter by 16.0 in Check garage fit for Audi TT · garage fit for Porsche 911
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 2.2 in
  • Smaller exterior footprintAudi TT — Based on length × width (Audi TT)

Dimension comparison

SpecAudi TTPorsche 911Difference
Length159.1 in175.1 in16.0 in
Width73.1 in70.9 in2.2 in
Height53.0 in50.9 in2.1 in
Wheelbase95.5 in92.6 in2.9 in
Ground clearance—4.0 in—
Curb weight3,313 lb3,351 lb39 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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