Spec Sizes

Audi A3 vs Audi S3 Dimensions & Size Comparison

Comparing 2018 vs 2023 catalog dimensions. Audi A3 · Audi S3

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

Side view
  • Length174.1 in – 175.5 in
  • Height55.5 in – 55.7 in
  • Wheelbase102.2 in – 103.8 in
  • Ground clearance5.5 in – 6.0 in
  • Curb weight3,197 lb – 3,627 lb
Front / width
  • Width70.7 in
  • Audi S3 width71.5 in

Which is bigger?

  • Length: Audi A3 is 2.5 in shorter (174.8 in vs 177.3 in)
  • Width: Audi A3 is 0.8 in narrower (70.7 in vs 71.5 in)
  • Height: Audi S3 is 0.2 in taller (55.6 in vs 55.8 in)
  • Wheelbase: Audi S3 has a 0.6 in longer wheelbase (103.0 in vs 103.6 in)
  • Curb weight: Audi S3 is 115 lb heavier (3,412 lb vs 3,527 lb)

Biggest size differences

  1. Curb weight: Audi S3 is 115 lb heavier (3,412 lb vs 3,527 lb)
  2. Length: Audi A3 is 2.5 in shorter (174.8 in vs 177.3 in)
  3. Width: Audi A3 is 0.8 in narrower (70.7 in vs 71.5 in)
  4. Wheelbase: Audi S3 has a 0.6 in longer wheelbase (103.0 in vs 103.6 in)
  5. Height: Audi S3 is 0.2 in taller (55.6 in vs 55.8 in)

Practical verdicts

  • Easier to fit in a short garageAudi A3 — Audi A3 is shorter by 2.5 in Check garage fit for Audi A3 · garage fit for Audi S3
  • Narrower for tight parkingAudi A3 — Audi A3 is narrower by 0.8 in
  • Smaller exterior footprintAudi A3 — Based on length × width (Audi A3)

Dimension comparison

SpecAudi A3Audi S3Difference
Length174.8 in177.3 in2.5 in
Width70.7 in71.5 in0.8 in
Height55.6 in55.8 in0.2 in
Wheelbase103.0 in103.6 in0.6 in
Ground clearance5.8 in——
Curb weight3,412 lb3,527 lb115 lb

Values use trim midpoints when a model year lists a range (e.g. length 174.1 in – 175.5 in).

Compare by year

Overlapping model years with dimension data.

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