Porsche 911 vs Audi TT Dimensions & Size Comparison

Comparing 2020 catalog dimensions. Porsche 911 · Audi TT

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

Side view
  • Length177.9 in
  • Height51.2 in
  • Wheelbase96.5 in
  • Ground clearance4.0 in
  • Curb weight3,382 lb – 3,641 lb
Front / width
  • Width72.9 in
  • Audi TT width72.1 in

Which is bigger?

  • Length: Audi TT is 12.9 in shorter (177.9 in vs 165.0 in)
  • Width: Audi TT is 0.8 in narrower (72.9 in vs 72.1 in)
  • Height: Audi TT is 2.1 in taller (51.2 in vs 53.3 in)
  • Wheelbase: Audi TT has a 2.1 in longer wheelbase (96.5 in vs 98.6 in)
  • Ground clearance: Audi TT has 0.2 in more ground clearance (4.0 in vs 4.2 in)
  • Curb weight: Porsche 911 is 221 lb heavier (3,512 lb vs 3,291 lb)

Biggest size differences

  1. Length: Audi TT is 12.9 in shorter (177.9 in vs 165.0 in)
  2. Curb weight: Porsche 911 is 221 lb heavier (3,512 lb vs 3,291 lb)
  3. Ground clearance: Audi TT has 0.2 in more ground clearance (4.0 in vs 4.2 in)
  4. Height: Audi TT is 2.1 in taller (51.2 in vs 53.3 in)
  5. Wheelbase: Audi TT has a 2.1 in longer wheelbase (96.5 in vs 98.6 in)

Practical verdicts

  • Easier to fit in a short garageAudi TTAudi TT is shorter by 12.9 in Check garage fit for Porsche 911 · garage fit for Audi TT
  • Narrower for tight parkingAudi TTAudi TT is narrower by 0.8 in
  • More ground clearanceAudi TTAudi TT has 0.2 in more clearance
  • Smaller exterior footprintAudi TTBased on length × width (Audi TT)

Dimension comparison

SpecPorsche 911Audi TTDifference
Length177.9 in165.0 in12.9 in
Width72.9 in72.1 in0.8 in
Height51.2 in53.3 in2.1 in
Wheelbase96.5 in98.6 in2.1 in
Ground clearance4.0 in4.2 in0.2 in
Curb weight3,512 lb3,291 lb221 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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