BMW M4 vs Audi S4 Dimensions & Size Comparison
Comparing 2018 catalog dimensions. BMW M4 · Audi S4
- Length184.5 in
- Height54.4 in – 54.6 in
- Wheelbase110.7 in
- Ground clearance4.7 in
- Curb weight3,530 lb – 4,055 lb
- Width73.6 in
- Audi S4 width72.5 in
Which is bigger?
- Length: BMW M4 is 2.3 in shorter (184.5 in vs 186.8 in)
- Width: Audi S4 is 1.1 in narrower (73.6 in vs 72.5 in)
- Height: Audi S4 is 0.8 in taller (54.5 in vs 55.3 in)
- Wheelbase: Audi S4 has a 0.5 in longer wheelbase (110.7 in vs 111.2 in)
- Ground clearance: essentially the same
- Curb weight: Audi S4 is 66 lb heavier (3,793 lb vs 3,858 lb)
Biggest size differences
- Curb weight: Audi S4 is 66 lb heavier (3,793 lb vs 3,858 lb)
- Width: Audi S4 is 1.1 in narrower (73.6 in vs 72.5 in)
- Height: Audi S4 is 0.8 in taller (54.5 in vs 55.3 in)
- Length: BMW M4 is 2.3 in shorter (184.5 in vs 186.8 in)
- Wheelbase: Audi S4 has a 0.5 in longer wheelbase (110.7 in vs 111.2 in)
Practical verdicts
- Easier to fit in a short garageBMW M4 — BMW M4 is shorter by 2.3 in Check garage fit for BMW M4 · garage fit for Audi S4
- Narrower for tight parkingAudi S4 — Audi S4 is narrower by 1.1 in
Dimension comparison
| Spec | BMW M4 | Audi S4 | Difference |
|---|---|---|---|
| Length | 184.5 in | 186.8 in | 2.3 in |
| Width | 73.6 in | 72.5 in | 1.1 in |
| Height | 54.5 in | 55.3 in | 0.8 in |
| Wheelbase | 110.7 in | 111.2 in | 0.5 in |
| Ground clearance | 4.7 in | 4.7 in | 0.0 in |
| Curb weight | 3,793 lb | 3,858 lb | 66 lb |
Values use trim midpoints when a model year lists a range.
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.