Spec Sizes

Porsche 911 vs Audi TT Dimensions & Size Comparison

Comparing 2011 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 – 176.8 in
  • Height50.4 in – 51.6 in
  • Wheelbase92.5 in – 92.7 in
  • Ground clearance3.8 in – 4.3 in
  • Curb weight2,998 lb – 3,660 lb
Front / width
  • Width71.2 in – 72.9 in
  • Audi TT width72.5 in

Which is bigger?

  • Length: Audi TT is 11.2 in shorter (175.7 in vs 164.5 in)
  • Width: Porsche 911 is 0.4 in narrower (72.1 in vs 72.5 in)
  • Height: Audi TT is 2.5 in taller (51.0 in vs 53.5 in)
  • Wheelbase: Audi TT has a 4.6 in longer wheelbase (92.6 in vs 97.2 in)
  • Ground clearance: Audi TT has 1.0 in more ground clearance (4.0 in vs 5.1 in)
  • Curb weight: Porsche 911 is 99 lb heavier (3,329 lb vs 3,230 lb)

Biggest size differences

  1. Ground clearance: Audi TT has 1.0 in more ground clearance (4.0 in vs 5.1 in)
  2. Length: Audi TT is 11.2 in shorter (175.7 in vs 164.5 in)
  3. Wheelbase: Audi TT has a 4.6 in longer wheelbase (92.6 in vs 97.2 in)
  4. Height: Audi TT is 2.5 in taller (51.0 in vs 53.5 in)
  5. Curb weight: Porsche 911 is 99 lb heavier (3,329 lb vs 3,230 lb)

Practical verdicts

  • Easier to fit in a short garageAudi TT — Audi TT is shorter by 11.2 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
  • More ground clearanceAudi TT — Audi TT has 1.0 in more clearance
  • Smaller exterior footprintAudi TT — Based on length × width (Audi TT)

Dimension comparison

SpecPorsche 911Audi TTDifference
Length175.7 in164.5 in11.2 in
Width72.1 in72.5 in0.4 in
Height51.0 in53.5 in2.5 in
Wheelbase92.6 in97.2 in4.6 in
Ground clearance4.0 in5.1 in1.0 in
Curb weight3,329 lb3,230 lb99 lb

Values use trim midpoints when a model year lists a range (e.g. length 174.6 in – 176.8 in).

Compare by year

Overlapping model years with dimension data.

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