Audi S4 vs BMW M3 Dimensions & Size Comparison
Comparing 2006 catalog dimensions. Audi S4 · BMW M3
- Length180.0 in – 180.6 in
- Height54.8 in – 55.7 in
- Wheelbase104.3 in – 104.5 in
- Curb weight3,869 lb – 4,211 lb
- Width70.0 in – 70.1 in
- BMW M3 width70.1 in
Which is bigger?
- Length: BMW M3 is 3.5 in shorter (180.3 in vs 176.8 in)
- Width: essentially the same
- Height: Audi S4 is 1.4 in taller (55.3 in vs 53.9 in)
- Wheelbase: BMW M3 has a 3.1 in longer wheelbase (104.4 in vs 107.5 in)
- Curb weight: Audi S4 is 442 lb heavier (4,040 lb vs 3,598 lb)
Biggest size differences
- Curb weight: Audi S4 is 442 lb heavier (4,040 lb vs 3,598 lb)
- Wheelbase: BMW M3 has a 3.1 in longer wheelbase (104.4 in vs 107.5 in)
- Height: Audi S4 is 1.4 in taller (55.3 in vs 53.9 in)
- Length: BMW M3 is 3.5 in shorter (180.3 in vs 176.8 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 3.5 in Check garage fit for Audi S4 · garage fit for BMW M3
- Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)
Dimension comparison
| Spec | Audi S4 | BMW M3 | Difference |
|---|---|---|---|
| Length | 180.3 in | 176.8 in | 3.5 in |
| Width | 70.0 in | 70.1 in | 0.0 in |
| Height | 55.3 in | 53.9 in | 1.4 in |
| Wheelbase | 104.4 in | 107.5 in | 3.1 in |
| Curb weight | 4,040 lb | 3,598 lb | 442 lb |
Values use trim midpoints when a model year lists a range (e.g. length 180.0 in – 180.6 in).
Compare by year
Overlapping model years with dimension data.
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