Spec Sizes

Audi S3 vs Honda Civic Si Dimensions & Size Comparison

Comparing 2023 vs 2022 catalog dimensions. Audi S3 · Honda Civic Si

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

Side view
  • Length177.3 in
  • Height55.8 in
  • Wheelbase103.6 in
  • Curb weight3,527 lb
Front / width
  • Width71.5 in
  • Honda Civic Si width70.9 in

Which is bigger?

  • Length: Audi S3 is 6.7 in shorter (177.3 in vs 184.0 in)
  • Width: Honda Civic Si is 0.6 in narrower (71.5 in vs 70.9 in)
  • Height: Audi S3 is 0.3 in taller (55.8 in vs 55.5 in)
  • Wheelbase: Honda Civic Si has a 4.1 in longer wheelbase (103.6 in vs 107.7 in)
  • Curb weight: Audi S3 is 571 lb heavier (3,527 lb vs 2,957 lb)

Biggest size differences

  1. Curb weight: Audi S3 is 571 lb heavier (3,527 lb vs 2,957 lb)
  2. Wheelbase: Honda Civic Si has a 4.1 in longer wheelbase (103.6 in vs 107.7 in)
  3. Length: Audi S3 is 6.7 in shorter (177.3 in vs 184.0 in)
  4. Width: Honda Civic Si is 0.6 in narrower (71.5 in vs 70.9 in)
  5. Height: Audi S3 is 0.3 in taller (55.8 in vs 55.5 in)

Practical verdicts

  • Easier to fit in a short garageAudi S3 — Audi S3 is shorter by 6.7 in Check garage fit for Audi S3 · garage fit for Honda Civic Si
  • Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 0.6 in
  • Smaller exterior footprintAudi S3 — Based on length × width (Audi S3)

Dimension comparison

SpecAudi S3Honda Civic SiDifference
Length177.3 in184.0 in6.7 in
Width71.5 in70.9 in0.6 in
Height55.8 in55.5 in0.3 in
Wheelbase103.6 in107.7 in4.1 in
Curb weight3,527 lb2,957 lb571 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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