Honda Civic Si vs Audi S3 Dimensions & Size Comparison
Comparing 2020 vs 2023 catalog dimensions. Honda Civic Si · Audi S3
- Length177.3 in – 182.8 in
- Height54.7 in – 55.5 in
- Wheelbase106.3 in
- Curb weight2,889 lb – 2,906 lb
- Width70.8 in – 70.9 in
- Audi S3 width71.5 in
Which is bigger?
- Length: Audi S3 is 2.8 in shorter (180.1 in vs 177.3 in)
- Width: Honda Civic Si is 0.7 in narrower (70.8 in vs 71.5 in)
- Height: Audi S3 is 0.7 in taller (55.1 in vs 55.8 in)
- Wheelbase: Honda Civic Si has a 2.7 in longer wheelbase (106.3 in vs 103.6 in)
- Curb weight: Audi S3 is 630 lb heavier (2,898 lb vs 3,527 lb)
Biggest size differences
- Curb weight: Audi S3 is 630 lb heavier (2,898 lb vs 3,527 lb)
- Wheelbase: Honda Civic Si has a 2.7 in longer wheelbase (106.3 in vs 103.6 in)
- Length: Audi S3 is 2.8 in shorter (180.1 in vs 177.3 in)
- Height: Audi S3 is 0.7 in taller (55.1 in vs 55.8 in)
- Width: Honda Civic Si is 0.7 in narrower (70.8 in vs 71.5 in)
Practical verdicts
- Easier to fit in a short garageAudi S3 — Audi S3 is shorter by 2.8 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 0.7 in
Dimension comparison
| Spec | Honda Civic Si | Audi S3 | Difference |
|---|---|---|---|
| Length | 180.1 in | 177.3 in | 2.8 in |
| Width | 70.8 in | 71.5 in | 0.7 in |
| Height | 55.1 in | 55.8 in | 0.7 in |
| Wheelbase | 106.3 in | 103.6 in | 2.7 in |
| Curb weight | 2,898 lb | 3,527 lb | 630 lb |
Values use trim midpoints when a model year lists a range (e.g. length 177.3 in – 182.8 in).
Compare by year
Overlapping model years with dimension data.
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