Spec Sizes

Honda Civic Si vs Audi S3 Dimensions & Size Comparison

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

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

Side view
  • Length184.0 in
  • Height55.5 in
  • Wheelbase107.7 in
  • Curb weight2,952 lb – 2,961 lb
Front / width
  • Width70.9 in
  • Audi S3 width71.5 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garageAudi S3 — Audi S3 is shorter by 6.7 in Check garage fit for Honda Civic Si · garage fit for Audi S3
  • 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

SpecHonda Civic SiAudi S3Difference
Length184.0 in177.3 in6.7 in
Width70.9 in71.5 in0.6 in
Height55.5 in55.8 in0.3 in
Wheelbase107.7 in103.6 in4.1 in
Curb weight2,957 lb3,527 lb571 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.