BMW M3 vs Audi S4 Dimensions & Size Comparison
Comparing 2006 catalog dimensions. BMW M3 · Audi S4
- Length176.8 in
- Height53.7 in – 54.0 in
- Wheelbase107.5 in
- Curb weight3,415 lb – 3,781 lb
- Width70.1 in
- Audi S4 width70.0 in – 70.1 in
Which is bigger?
- Length: BMW M3 is 3.5 in shorter (176.8 in vs 180.3 in)
- Width: essentially the same
- Height: Audi S4 is 1.4 in taller (53.9 in vs 55.3 in)
- Wheelbase: BMW M3 has a 3.1 in longer wheelbase (107.5 in vs 104.4 in)
- Curb weight: Audi S4 is 442 lb heavier (3,598 lb vs 4,040 lb)
Biggest size differences
- Curb weight: Audi S4 is 442 lb heavier (3,598 lb vs 4,040 lb)
- Wheelbase: BMW M3 has a 3.1 in longer wheelbase (107.5 in vs 104.4 in)
- Height: Audi S4 is 1.4 in taller (53.9 in vs 55.3 in)
- Length: BMW M3 is 3.5 in shorter (176.8 in vs 180.3 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 3.5 in Check garage fit for BMW M3 · garage fit for Audi S4
- Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)
Dimension comparison
| Spec | BMW M3 | Audi S4 | Difference |
|---|---|---|---|
| Length | 176.8 in | 180.3 in | 3.5 in |
| Width | 70.1 in | 70.0 in | 0.0 in |
| Height | 53.9 in | 55.3 in | 1.4 in |
| Wheelbase | 107.5 in | 104.4 in | 3.1 in |
| Curb weight | 3,598 lb | 4,040 lb | 442 lb |
Values use trim midpoints when a model year lists a range.
Compare by year
Overlapping model years with dimension data.
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