Spec Sizes

Audi S3 vs Honda Civic Si Dimensions & Size Comparison

Comparing 2019 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
  • Length175.8 in
  • Height54.8 in
  • Wheelbase103.6 in
  • Curb weight3,494 lb
Front / width
  • Width70.7 in
  • Honda Civic Si width70.8 in – 70.9 in

Which is bigger?

  • Length: Audi S3 is 4.3 in shorter (175.8 in vs 180.1 in)
  • Width: Audi S3 is 0.1 in narrower (70.7 in vs 70.8 in)
  • Height: Honda Civic Si is 0.3 in taller (54.8 in vs 55.1 in)
  • Wheelbase: Honda Civic Si has a 2.7 in longer wheelbase (103.6 in vs 106.3 in)
  • Curb weight: Audi S3 is 597 lb heavier (3,494 lb vs 2,898 lb)

Biggest size differences

  1. Curb weight: Audi S3 is 597 lb heavier (3,494 lb vs 2,898 lb)
  2. Wheelbase: Honda Civic Si has a 2.7 in longer wheelbase (103.6 in vs 106.3 in)
  3. Length: Audi S3 is 4.3 in shorter (175.8 in vs 180.1 in)
  4. Height: Honda Civic Si is 0.3 in taller (54.8 in vs 55.1 in)
  5. Width: Audi S3 is 0.1 in narrower (70.7 in vs 70.8 in)

Practical verdicts

  • Easier to fit in a short garageAudi S3 — Audi S3 is shorter by 4.3 in Check garage fit for Audi S3 · garage fit for Honda Civic Si
  • Narrower for tight parkingAudi S3 — Audi S3 is narrower by 0.1 in
  • Smaller exterior footprintAudi S3 — Based on length × width (Audi S3)

Dimension comparison

SpecAudi S3Honda Civic SiDifference
Length175.8 in180.1 in4.3 in
Width70.7 in70.8 in0.1 in
Height54.8 in55.1 in0.3 in
Wheelbase103.6 in106.3 in2.7 in
Curb weight3,494 lb2,898 lb597 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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