2025 BMW 3 Series dimensions: length, width, height, weight, cargo
Length
185.9in long
- 15 ft 5.9 in. 4.72 m.
- 71.9 in wide, 56.8 in tall. 3,752 lb.
- 330i RWD.
- Compact sedan.
Dimensions by trim
| Trim | Length | Width | With mirrors | Height | Wheelbase | Ground clearance | Turning circle |
|---|---|---|---|---|---|---|---|
| 330i RWD | 185.9 in | 71.9 in | 81.4 in | 56.8 in | 112.2 in | 5.6 in | 37.4 ft |
| 330i xDrive AWD | 185.9 in | 71.9 in | 81.4 in | 57.0 in | 112.2 in | 5.4 in | 39.4 ft |
| M340i RWD | 185.9 in | 71.9 in | 81.4 in | 56.4 in | 112.2 in | 5.3 in | 37.4 ft |
| M340i xDrive AWD | 185.9 in | 71.9 in | 81.4 in | 56.7 in | 112.2 in | 5.1 in | 39.4 ft |
| Trim | Curb weight |
|---|---|
| 330i RWD, 330i xDrive AWD | 3,752 lb |
| M340i RWD, M340i xDrive AWD | 3,834 lb |
| Trims | Cargo, seats up | Cargo, max | Front legroom | Rear legroom | Front headroom | Rear headroom |
|---|---|---|---|---|---|---|
| All 4 trims | 16.9 cu ft | 16.9 cu ft | 42.0 in | 35.2 in | 38.7 in | 37.6 in |
Weight
- Curb weight
- 3,752 lb
- Kilograms
- 1,702 kg
- US tons
- 1.9 tons
330i RWD. All trims: 3,752 lb to 3,834 lb.
Heavier than 43% of 71 sedans (2025).
Garage fit
| Garage | Fits | Spare length | Each side |
|---|---|---|---|
| Single, 12 x 22 ft | Yes | 78.1 in | 36.0 in |
| Single, 14 x 24 ft | Yes | 102.1 in | 48.0 in |
| Double, 20 x 20 ft | Yes | 54.1 in | 84.0 in |
| Double, 24 x 24 ft | Yes | 102.1 in | 108.0 in |
| Door | Fits | Spare width | Above roof |
|---|---|---|---|
| 8 ft wide, 7 ft tall | Yes | 14.6 in | 27.2 in |
| 9 ft wide, 7 ft tall | Yes | 26.6 in | 27.2 in |
Door width check uses the mirrors: 81.4 in.
Your garage
Second car
Garage 12 x 22 ft. Door 9 x 7 ft.
- Yes. 78.1 in spare length. 36.0 in each side.
- Door: 26.6 in spare width. 27.2 in above the roof.
Size class
Compact sedan.
Longer than 26% of 79 sedans (2025).
Median of 79 sedans (2025): 193.5 in long.
Cargo, seats up: 16.9 cu ft. More than 68% of 72 sedans (2025).
Bigger and smaller rivals
| Model | Length | vs 3 Series | Cargo, seats up | vs 3 Series |
|---|---|---|---|---|
| Audi A4 Allroad | 187.5 in | +1.6 in | 24.2 cu ft | +7.3 cu ft |
| Audi A5 Sportback | 187.3 in | +1.4 in | 21.8 cu ft | +4.9 cu ft |
| Cadillac CT4-V Blackwing | 187.2 in | +1.3 in | N/A | N/A |
| Mercedes-Benz C-Class | 187.0 in | +1.1 in | N/A | N/A |
| BMW 3 Series | 185.9 in | - | 16.9 cu ft | - |
| Mercedes-Benz CLA | 184.6 in | -1.3 in | N/A | N/A |
| Alfa Romeo Giulia | 182.8 in | -3.1 in | N/A | N/A |
| Honda Civic Type R | 180.9 in | -5.0 in | N/A | N/A |
| Audi S3 | 177.4 in | -8.5 in | 8.3 cu ft | -8.6 cu ft |
Legroom and headroom
330i RWD.
- Front legroom
- 42.0 inMore than 55% of 78 sedans (2025).
- Rear legroom
- 35.2 inMore than 28% of 77 sedans (2025).
- Front headroom
- 38.7 inMore than 52% of 76 sedans (2025).
- Rear headroom
- 37.6 inMore than 58% of 78 sedans (2025).
What this cannot tell you
Outline is a body-style template scaled to these numbers.
Garage fit ignores shelves, steps and open doors.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree