Honda Civic Si vs Audi RS 3 Dimensions & Size Comparison
Comparing 2020 vs 2023 catalog dimensions. Honda Civic Si · Audi RS 3
- 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 RS 3 width72.9 in
Which is bigger?
- Length: Audi RS 3 is 1.3 in shorter (180.1 in vs 178.8 in)
- Width: Honda Civic Si is 2.1 in narrower (70.8 in vs 72.9 in)
- Height: Audi RS 3 is 0.5 in taller (55.1 in vs 55.6 in)
- Wheelbase: Honda Civic Si has a 2.7 in longer wheelbase (106.3 in vs 103.6 in)
- Curb weight: Audi RS 3 is 752 lb heavier (2,898 lb vs 3,649 lb)
Biggest size differences
- Curb weight: Audi RS 3 is 752 lb heavier (2,898 lb vs 3,649 lb)
- Width: Honda Civic Si is 2.1 in narrower (70.8 in vs 72.9 in)
- Wheelbase: Honda Civic Si has a 2.7 in longer wheelbase (106.3 in vs 103.6 in)
- Height: Audi RS 3 is 0.5 in taller (55.1 in vs 55.6 in)
- Length: Audi RS 3 is 1.3 in shorter (180.1 in vs 178.8 in)
Practical verdicts
- Easier to fit in a short garageAudi RS 3 — Audi RS 3 is shorter by 1.3 in Check garage fit for Honda Civic Si · garage fit for Audi RS 3
- Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 2.1 in
- Smaller exterior footprintHonda Civic Si — Based on length × width (Honda Civic Si)
Dimension comparison
| Spec | Honda Civic Si | Audi RS 3 | Difference |
|---|---|---|---|
| Length | 180.1 in | 178.8 in | 1.3 in |
| Width | 70.8 in | 72.9 in | 2.1 in |
| Height | 55.1 in | 55.6 in | 0.5 in |
| Wheelbase | 106.3 in | 103.6 in | 2.7 in |
| Curb weight | 2,898 lb | 3,649 lb | 752 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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