Mazda Mazda3 vs Audi A3 Dimensions & Size Comparison
Comparing 2018 catalog dimensions. Mazda Mazda3 · Audi A3
- Length175.6 in – 180.3 in
- Height57.3 in
- Wheelbase106.3 in
- Ground clearance6.1 in
- Curb weight2,875 lb – 3,046 lb
- Width70.7 in
- Audi A3 width70.7 in
Which is bigger?
- Length: Audi A3 is 3.1 in shorter (177.9 in vs 174.8 in)
- Width: essentially the same
- Height: Mazda Mazda3 is 1.7 in taller (57.3 in vs 55.6 in)
- Wheelbase: Mazda Mazda3 has a 3.3 in longer wheelbase (106.3 in vs 103.0 in)
- Ground clearance: Mazda Mazda3 has 0.3 in more ground clearance (6.1 in vs 5.8 in)
- Curb weight: Audi A3 is 452 lb heavier (2,961 lb vs 3,412 lb)
Biggest size differences
- Curb weight: Audi A3 is 452 lb heavier (2,961 lb vs 3,412 lb)
- Ground clearance: Mazda Mazda3 has 0.3 in more ground clearance (6.1 in vs 5.8 in)
- Wheelbase: Mazda Mazda3 has a 3.3 in longer wheelbase (106.3 in vs 103.0 in)
- Height: Mazda Mazda3 is 1.7 in taller (57.3 in vs 55.6 in)
- Length: Audi A3 is 3.1 in shorter (177.9 in vs 174.8 in)
Practical verdicts
- Easier to fit in a short garageAudi A3 — Audi A3 is shorter by 3.1 in Check garage fit for Mazda Mazda3 · garage fit for Audi A3
- More ground clearanceMazda Mazda3 — Mazda Mazda3 has 0.3 in more clearance
- Smaller exterior footprintAudi A3 — Based on length × width (Audi A3)
Dimension comparison
| Spec | Mazda Mazda3 | Audi A3 | Difference |
|---|---|---|---|
| Length | 177.9 in | 174.8 in | 3.1 in |
| Width | 70.7 in | 70.7 in | 0.0 in |
| Height | 57.3 in | 55.6 in | 1.7 in |
| Wheelbase | 106.3 in | 103.0 in | 3.3 in |
| Ground clearance | 6.1 in | 5.8 in | 0.3 in |
| Curb weight | 2,961 lb | 3,412 lb | 452 lb |
Values use trim midpoints when a model year lists a range (e.g. length 175.6 in – 180.3 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.