Spec Sizes

Porsche 911 vs Audi S3 Dimensions & Size Comparison

Comparing 2019 catalog dimensions. Porsche 911 · Audi S3

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

Side view
  • Length177.1 in – 179.6 in
  • Height49.3 in – 51.1 in
  • Wheelbase96.5 in – 96.7 in
  • Ground clearance4.0 in
  • Curb weight3,142 lb – 3,682 lb
Front / width
  • Width71.2 in – 74.0 in
  • Audi S3 width70.7 in

Which is bigger?

  • Length: Audi S3 is 2.5 in shorter (178.3 in vs 175.8 in)
  • Width: Audi S3 is 1.9 in narrower (72.6 in vs 70.7 in)
  • Height: Audi S3 is 4.6 in taller (50.2 in vs 54.8 in)
  • Wheelbase: Audi S3 has a 7.0 in longer wheelbase (96.6 in vs 103.6 in)
  • Curb weight: Audi S3 is 82 lb heavier (3,412 lb vs 3,494 lb)

Biggest size differences

  1. Height: Audi S3 is 4.6 in taller (50.2 in vs 54.8 in)
  2. Wheelbase: Audi S3 has a 7.0 in longer wheelbase (96.6 in vs 103.6 in)
  3. Width: Audi S3 is 1.9 in narrower (72.6 in vs 70.7 in)
  4. Curb weight: Audi S3 is 82 lb heavier (3,412 lb vs 3,494 lb)
  5. Length: Audi S3 is 2.5 in shorter (178.3 in vs 175.8 in)

Practical verdicts

  • Easier to fit in a short garageAudi S3 — Audi S3 is shorter by 2.5 in Check garage fit for Porsche 911 · garage fit for Audi S3
  • Narrower for tight parkingAudi S3 — Audi S3 is narrower by 1.9 in
  • Smaller exterior footprintAudi S3 — Based on length × width (Audi S3)

Dimension comparison

SpecPorsche 911Audi S3Difference
Length178.3 in175.8 in2.5 in
Width72.6 in70.7 in1.9 in
Height50.2 in54.8 in4.6 in
Wheelbase96.6 in103.6 in7.0 in
Ground clearance4.0 in——
Curb weight3,412 lb3,494 lb82 lb

Values use trim midpoints when a model year lists a range (e.g. length 177.1 in – 179.6 in).

Compare by year

Overlapping model years with dimension data.

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