Spec Sizes

Porsche 911 vs Audi TT Dimensions & Size Comparison

Comparing 2006 catalog dimensions. Porsche 911 · Audi TT

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

Side view
  • Length174.6 in – 175.6 in
  • Height51.0 in – 51.6 in
  • Wheelbase92.5 in
  • Ground clearance3.8 in – 4.2 in
  • Curb weight89 lb – 3,296 lb
Front / width
  • Width71.2 in – 72.0 in
  • Audi TT width73.1 in

Which is bigger?

  • Length: Audi TT is 16.0 in shorter (175.1 in vs 159.1 in)
  • Width: Porsche 911 is 1.5 in narrower (71.6 in vs 73.1 in)
  • Height: Audi TT is 1.7 in taller (51.3 in vs 53.0 in)
  • Wheelbase: Audi TT has a 3.0 in longer wheelbase (92.5 in vs 95.5 in)
  • Curb weight: Audi TT is 1,620 lb heavier (1,693 lb vs 3,313 lb)

Biggest size differences

  1. Curb weight: Audi TT is 1,620 lb heavier (1,693 lb vs 3,313 lb)
  2. Length: Audi TT is 16.0 in shorter (175.1 in vs 159.1 in)
  3. Height: Audi TT is 1.7 in taller (51.3 in vs 53.0 in)
  4. Wheelbase: Audi TT has a 3.0 in longer wheelbase (92.5 in vs 95.5 in)
  5. Width: Porsche 911 is 1.5 in narrower (71.6 in vs 73.1 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT — Audi TT is shorter by 16.0 in Check garage fit for Porsche 911 · garage fit for Audi TT
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 1.5 in
  • Smaller exterior footprintAudi TT — Based on length × width (Audi TT)

Dimension comparison

SpecPorsche 911Audi TTDifference
Length175.1 in159.1 in16.0 in
Width71.6 in73.1 in1.5 in
Height51.3 in53.0 in1.7 in
Wheelbase92.5 in95.5 in3.0 in
Ground clearance4.0 in——
Curb weight1,693 lb3,313 lb1,620 lb

Values use trim midpoints when a model year lists a range (e.g. length 174.6 in – 175.6 in).

Compare by year

Overlapping model years with dimension data.

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