Spec Sizes

Audi TT vs Porsche 911 Dimensions & Size Comparison

Comparing 2018 vs 2022 catalog dimensions. Audi TT · Porsche 911

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

Side view
  • Length164.7 in
  • Height53.2 in
  • Wheelbase98.6 in
  • Ground clearance5.1 in
  • Curb weight3,164 lb – 3,373 lb
Front / width
  • Width72.1 in
  • Porsche 911 width72.9 in – 74.9 in

Which is bigger?

  • Length: Audi TT is 14.3 in shorter (164.7 in vs 178.9 in)
  • Width: Audi TT is 1.8 in narrower (72.1 in vs 73.9 in)
  • Height: Audi TT is 2.4 in taller (53.2 in vs 50.8 in)
  • Wheelbase: Audi TT has a 2.0 in longer wheelbase (98.6 in vs 96.6 in)
  • Curb weight: Porsche 911 is 209 lb heavier (3,269 lb vs 3,477 lb)

Biggest size differences

  1. Length: Audi TT is 14.3 in shorter (164.7 in vs 178.9 in)
  2. Curb weight: Porsche 911 is 209 lb heavier (3,269 lb vs 3,477 lb)
  3. Height: Audi TT is 2.4 in taller (53.2 in vs 50.8 in)
  4. Width: Audi TT is 1.8 in narrower (72.1 in vs 73.9 in)
  5. Wheelbase: Audi TT has a 2.0 in longer wheelbase (98.6 in vs 96.6 in)

Practical verdicts

  • Easier to fit in a short garageAudi TT — Audi TT is shorter by 14.3 in Check garage fit for Audi TT · garage fit for Porsche 911
  • Narrower for tight parkingAudi TT — Audi TT is narrower by 1.8 in
  • Smaller exterior footprintAudi TT — Based on length × width (Audi TT)

Dimension comparison

SpecAudi TTPorsche 911Difference
Length164.7 in178.9 in14.3 in
Width72.1 in73.9 in1.8 in
Height53.2 in50.8 in2.4 in
Wheelbase98.6 in96.6 in2.0 in
Ground clearance5.1 in——
Curb weight3,269 lb3,477 lb209 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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