Spec Sizes

Honda Civic Si vs Audi A3 Dimensions & Size Comparison

Comparing 2022 vs 2023 catalog dimensions. Honda Civic Si · Audi A3

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 A3 width71.5 in

Which is bigger?

  • Length: Audi A3 is 7.1 in shorter (184.0 in vs 176.9 in)
  • Width: Honda Civic Si is 0.6 in narrower (70.9 in vs 71.5 in)
  • Height: Audi A3 is 0.7 in taller (55.5 in vs 56.2 in)
  • Wheelbase: Honda Civic Si has a 4.2 in longer wheelbase (107.7 in vs 103.5 in)
  • Curb weight: Audi A3 is 455 lb heavier (2,957 lb vs 3,412 lb)

Biggest size differences

  1. Curb weight: Audi A3 is 455 lb heavier (2,957 lb vs 3,412 lb)
  2. Wheelbase: Honda Civic Si has a 4.2 in longer wheelbase (107.7 in vs 103.5 in)
  3. Length: Audi A3 is 7.1 in shorter (184.0 in vs 176.9 in)
  4. Height: Audi A3 is 0.7 in taller (55.5 in vs 56.2 in)
  5. Width: Honda Civic Si is 0.6 in narrower (70.9 in vs 71.5 in)

Practical verdicts

  • Easier to fit in a short garageAudi A3 — Audi A3 is shorter by 7.1 in Check garage fit for Honda Civic Si · garage fit for Audi A3
  • Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 0.6 in
  • Smaller exterior footprintAudi A3 — Based on length × width (Audi A3)

Dimension comparison

SpecHonda Civic SiAudi A3Difference
Length184.0 in176.9 in7.1 in
Width70.9 in71.5 in0.6 in
Height55.5 in56.2 in0.7 in
Wheelbase107.7 in103.5 in4.2 in
Curb weight2,957 lb3,412 lb455 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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