| 1 | 0 | 3 | 4 | 3 | 4 |
2021 BMW 3-Series Specs - Exterior and Interior Dimensions
| Body | 4dr Sedan |
| Wheelbase | 112.2 in |
| Length | 185.7 in |
| Width | 71.9 in |
| Height | 56.8 in |
| Curb Weight | 3589 lb. |
| Fuel Capacity | 15.6 gal. |
| Headroom, Row 1 | 38.7 in |
| Shoulder Room, Row 1 | 56.0 in |
| Legroom, Row 1 | 42.0 in |
| Headroom, Row 2 | 37.6 in |
| Shoulder Room, Row 2 | 54.6 in |
| Legroom, Row 2 | 35.2 in |
| Total Legroom | 77.2 in (over 2 rows) |
| Cargo Volume | 16.9 ft3 |
What Our Members Are Saying about the Seat Room and Comfort of the 2021 BMW 3-Series
None of our members have yet commented on the seat room and comfort of the 2021 BMW 3-Series.
2021 BMW 3-Series 4-door Sedan Specs - Powertrains and Tire Sizes
| Trim | 330i | 330e | M340i | M3 | M3 Competition |
| Standard Engine | turbocharged 2.0L I4 DOHC-4v 255 hp@5000 295 lb-ft@1550 | turbocharged 2.0L I4 Plug-in Hybrid DOHC-4v 180 hp@4000 258 lb-ft@1450 | turbocharged 3.0L I6 Hybrid DOHC-4v 382 hp@5800 369 lb-ft@1800 | turbocharged 3.0L I6 DOHC-4v 473 hp@6250 406 lb-ft@2650 | turbocharged 3.0L I6 DOHC-4v 503 hp@6250 479 lb-ft@2750 |
| Standard Transmission | 8-speed manually-shiftable automatic | 8-speed manually-shiftable automatic | 8-speed manually-shiftable automatic | 6-speed manual | 8-speed manually-shiftable automatic |
| Standard Drivetrain | RWD | RWD | RWD | RWD | RWD |
| Optional Drivetrain(s) | AWD | AWD | AWD | ||
| Standard Tires | 225/45VR18 tires | 225/45VR18 tires | 225/45YR18 tires (front) 255/40YR18 tires (rear) | 275/40YR18 tires (front) 285/35YR19 tires (rear) | 275/35YR19 tires (front) 285/30YR20 tires (rear) |
| Optional Tires | 225/40VR19 tires | 225/40VR19 tires | 225/45VR18 tires | ||
| 225/40VR19 tires | |||||
| 225/40YR19 tires (front) 255/35YR19 tires (rear) | 225/40YR19 tires (front) 255/35YR19 tires (rear) | 225/40YR19 tires (front) 255/35YR19 tires (rear) | 275/35YR19 tires (front) 285/30YR20 tires (rear) | 275/40YR18 tires (front) 285/35YR19 tires (rear) |
What Our Members Are Saying about the Powertrain of the 2021 BMW 3-Series
None of our members have yet commented on the powertrain of the 2021 BMW 3-Series.
What Our Members Are Saying about the Tires of the 2021 BMW 3-Series
None of our members have yet commented on the tires of the 2021 BMW 3-Series.
2021 BMW 3-Series MSRP and Invoice Prices
| Body | Trim | Base Price | Invoice | Destination |
| 4dr Sedan | 330i | 41,250 | 0 | 995 |
| 4dr Sedan | 330e | 44,550 | 0 | 995 |
| 4dr Sedan | M340i | 54,700 | 0 | 995 |
| 4dr Sedan | M3 | 69,900 | 0 | 995 |
| 4dr Sedan | M3 Competition | 72,800 | 0 | 995 |
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