Honda Civic Si vs Mazda Mazda3 Dimensions & Size Comparison
Comparing 2019 vs 2022 catalog dimensions. Honda Civic Si · Mazda Mazda3
- 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
- Mazda Mazda3 width70.7 in
Which is bigger?
- Length: Mazda Mazda3 is 0.5 in shorter (180.1 in vs 179.6 in)
- Width: Mazda Mazda3 is 0.1 in narrower (70.8 in vs 70.7 in)
- Height: Mazda Mazda3 is 1.7 in taller (55.1 in vs 56.8 in)
- Wheelbase: Mazda Mazda3 has a 1.0 in longer wheelbase (106.3 in vs 107.3 in)
- Curb weight: Mazda Mazda3 is 286 lb heavier (2,898 lb vs 3,184 lb)
Biggest size differences
- Curb weight: Mazda Mazda3 is 286 lb heavier (2,898 lb vs 3,184 lb)
- Height: Mazda Mazda3 is 1.7 in taller (55.1 in vs 56.8 in)
- Wheelbase: Mazda Mazda3 has a 1.0 in longer wheelbase (106.3 in vs 107.3 in)
- Length: Mazda Mazda3 is 0.5 in shorter (180.1 in vs 179.6 in)
- Width: Mazda Mazda3 is 0.1 in narrower (70.8 in vs 70.7 in)
Practical verdicts
- Easier to fit in a short garageMazda Mazda3 — Mazda Mazda3 is shorter by 0.5 in Check garage fit for Honda Civic Si · garage fit for Mazda Mazda3
- Narrower for tight parkingMazda Mazda3 — Mazda Mazda3 is narrower by 0.1 in
Dimension comparison
| Spec | Honda Civic Si | Mazda Mazda3 | Difference |
|---|---|---|---|
| Length | 180.1 in | 179.6 in | 0.5 in |
| Width | 70.8 in | 70.7 in | 0.1 in |
| Height | 55.1 in | 56.8 in | 1.7 in |
| Wheelbase | 106.3 in | 107.3 in | 1.0 in |
| Ground clearance | — | 5.5 in | — |
| Curb weight | 2,898 lb | 3,184 lb | 286 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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