Audi A4 vs BMW M3 Dimensions & Size Comparison
Comparing 2009 catalog dimensions. Audi A4 · BMW M3
- Length181.0 in – 185.2 in
- Height56.2 in – 56.5 in
- Wheelbase104.3 in – 110.6 in
- Curb weight3,538 lb – 4,079 lb
- Width70.0 in – 71.9 in
- BMW M3 width71.0 in – 71.5 in
Which is bigger?
- Length: BMW M3 is 2.0 in shorter (183.1 in vs 181.1 in)
- Width: Audi A4 is 0.3 in narrower (71.0 in vs 71.3 in)
- Height: Audi A4 is 0.5 in taller (56.4 in vs 55.9 in)
- Wheelbase: BMW M3 has a 1.3 in longer wheelbase (107.4 in vs 108.7 in)
- Curb weight: BMW M3 is 116 lb heavier (3,809 lb vs 3,925 lb)
Biggest size differences
- Curb weight: BMW M3 is 116 lb heavier (3,809 lb vs 3,925 lb)
- Wheelbase: BMW M3 has a 1.3 in longer wheelbase (107.4 in vs 108.7 in)
- Length: BMW M3 is 2.0 in shorter (183.1 in vs 181.1 in)
- Height: Audi A4 is 0.5 in taller (56.4 in vs 55.9 in)
- Width: Audi A4 is 0.3 in narrower (71.0 in vs 71.3 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 2.0 in Check garage fit for Audi A4 · garage fit for BMW M3
- Narrower for tight parkingAudi A4 — Audi A4 is narrower by 0.3 in
Dimension comparison
| Spec | Audi A4 | BMW M3 | Difference |
|---|---|---|---|
| Length | 183.1 in | 181.1 in | 2.0 in |
| Width | 71.0 in | 71.3 in | 0.3 in |
| Height | 56.4 in | 55.9 in | 0.5 in |
| Wheelbase | 107.4 in | 108.7 in | 1.3 in |
| Curb weight | 3,809 lb | 3,925 lb | 116 lb |
Values use trim midpoints when a model year lists a range (e.g. length 181.0 in – 185.2 in).
Compare by year
Overlapping model years with dimension data.
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