BMW M3 vs Audi A6 Dimensions & Size Comparison
Comparing 2017 catalog dimensions. BMW M3 · Audi A6
- Length184.5 in
- Height56.1 in
- Wheelbase110.7 in
- Ground clearance4.7 in
- Curb weight3,540 lb
- Width73.9 in
- Audi A6 width73.8 in
Which is bigger?
- Length: BMW M3 is 9.7 in shorter (184.5 in vs 194.2 in)
- Width: Audi A6 is 0.1 in narrower (73.9 in vs 73.8 in)
- Height: Audi A6 is 1.7 in taller (56.1 in vs 57.8 in)
- Wheelbase: Audi A6 has a 3.9 in longer wheelbase (110.7 in vs 114.6 in)
- Ground clearance: Audi A6 has 1.1 in more ground clearance (4.7 in vs 5.8 in)
- Curb weight: Audi A6 is 451 lb heavier (3,540 lb vs 3,991 lb)
Biggest size differences
- Ground clearance: Audi A6 has 1.1 in more ground clearance (4.7 in vs 5.8 in)
- Curb weight: Audi A6 is 451 lb heavier (3,540 lb vs 3,991 lb)
- Length: BMW M3 is 9.7 in shorter (184.5 in vs 194.2 in)
- Wheelbase: Audi A6 has a 3.9 in longer wheelbase (110.7 in vs 114.6 in)
- Height: Audi A6 is 1.7 in taller (56.1 in vs 57.8 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 9.7 in Check garage fit for BMW M3 · garage fit for Audi A6
- Narrower for tight parkingAudi A6 — Audi A6 is narrower by 0.1 in
- More ground clearanceAudi A6 — Audi A6 has 1.1 in more clearance
- Smaller exterior footprintBMW M3 — Based on length × width (BMW M3)
Dimension comparison
| Spec | BMW M3 | Audi A6 | Difference |
|---|---|---|---|
| Length | 184.5 in | 194.2 in | 9.7 in |
| Width | 73.9 in | 73.8 in | 0.1 in |
| Height | 56.1 in | 57.8 in | 1.7 in |
| Wheelbase | 110.7 in | 114.6 in | 3.9 in |
| Ground clearance | 4.7 in | 5.8 in | 1.1 in |
| Curb weight | 3,540 lb | 3,991 lb | 451 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.