Honda Civic Si vs Audi S4 Dimensions & Size Comparison
Comparing 2019 catalog dimensions. Honda Civic Si · Audi S4
- 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 S4 width72.5 in
Which is bigger?
- Length: Honda Civic Si is 6.8 in shorter (180.1 in vs 186.8 in)
- Width: Honda Civic Si is 1.7 in narrower (70.8 in vs 72.5 in)
- Height: Audi S4 is 0.2 in taller (55.1 in vs 55.3 in)
- Wheelbase: Audi S4 has a 4.9 in longer wheelbase (106.3 in vs 111.2 in)
- Curb weight: Audi S4 is 961 lb heavier (2,898 lb vs 3,858 lb)
Biggest size differences
- Curb weight: Audi S4 is 961 lb heavier (2,898 lb vs 3,858 lb)
- Wheelbase: Audi S4 has a 4.9 in longer wheelbase (106.3 in vs 111.2 in)
- Length: Honda Civic Si is 6.8 in shorter (180.1 in vs 186.8 in)
- Width: Honda Civic Si is 1.7 in narrower (70.8 in vs 72.5 in)
- Height: Audi S4 is 0.2 in taller (55.1 in vs 55.3 in)
Practical verdicts
- Easier to fit in a short garageHonda Civic Si — Honda Civic Si is shorter by 6.8 in Check garage fit for Honda Civic Si · garage fit for Audi S4
- Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 1.7 in
- Smaller exterior footprintHonda Civic Si — Based on length × width (Honda Civic Si)
Dimension comparison
| Spec | Honda Civic Si | Audi S4 | Difference |
|---|---|---|---|
| Length | 180.1 in | 186.8 in | 6.8 in |
| Width | 70.8 in | 72.5 in | 1.7 in |
| Height | 55.1 in | 55.3 in | 0.2 in |
| Wheelbase | 106.3 in | 111.2 in | 4.9 in |
| Curb weight | 2,898 lb | 3,858 lb | 961 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.
Already own one of these cars?
Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.