BMW 4-Series Convertible 420i 8AT RWD (184 HP)
BMW 4-Series Convertible · 2025 - present · Petrol
The BMW 4-Series Convertible 420i 8AT RWD (184 HP) produces 184 hp and 300 Nm. It accelerates from 0 to 100 km/h in 8.2 seconds and reaches 237 km/h. Stated combined consumption is 7.4 l/100 km, equal to 169 g CO2 per km.
- Power
- 184 hp
- Torque
- 300 Nm
- 0–100
- 8.2 s
- Top speed
- 237 km/h
Engine
| Power | 184 hp |
|---|---|
| Power (kW) | 135 kW |
| Torque | 300 Nm |
| Displacement | 1,998 cc |
| Cylinders | L4 |
| Fuel system | Turbocharged Direct Injection |
| Fuel | Petrol |
| Fuel tank capacity | 59 l |
Performance
| Top speed | 237 km/h |
|---|---|
| Acceleration 0–100 km/h | 8.2 s |
Fuel economy and emissions
| Combined consumption | 7.4 l/100 km |
|---|---|
| CO2 emissions | 169 g/km |
Transmission
| Gearbox | 8-Speed Automatic Steptronic |
|---|---|
| Drivetrain | Rear Wheel Drive |
Dimensions and weight
| Length | 4,768 mm |
|---|---|
| Width | 1,852 mm |
| Height | 1,384 mm |
| Wheelbase | 2,850 mm |
| Ground clearance | 124 mm |
| Cargo volume | 385 l |
| Unladen weight | 1,690 kg |
| Gross weight limit | 2,185 kg |
| Tyre size | 225/50 R17 98Y Xl |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
How this trim compares to other cars
The BMW 4-Series Convertible 420i 8AT RWD (184 HP) compared with 1,072 trims of other cars from the 2022–2028 period.
| Measure | This trim | Average | Position |
|---|---|---|---|
| Power | 184 hp | 320 hp |
better than 26%
|
| Torque | 300 Nm | 480 Nm |
better than 24%
|
| Top speed | 237 km/h | 238 km/h |
better than 51%
|
| Acceleration 0–100 km/h | 8.2 s | 6.4 s |
better than 24%
|
| Combined consumption | 7.4 l/100 km | 6.9 l/100 km |
better than 41%
|
| CO2 emissions | 169 g/km | 156 g/km |
better than 37%
|
| Cargo volume | 385 l | 509 l |
better than 21%
|
| Unladen weight | 1,690 kg | 1,869 kg |
better than 59%
|
Percentages show the share of trims from the same period this model beats on that measure. Manufacturer figures.
Trims and engine versions — BMW 4-Series Convertible
| Trim | Fuel | Power | Torque | 0–100 | Top speed | Fuel economy | CO2 | Select |
|---|---|---|---|---|---|---|---|---|
| 420d MHEV 8AT RWD (190 HP) | Hybrid | 190 hp | 400 Nm | 7.6 s | 237 km/h | 5.8 l/100 km | 153 g/km | |
| 430i xDrive 8AT AWD (245 HP) | Petrol | 245 hp | 400 Nm | 6.3 s | 249 km/h | 8.0 l/100 km | 182 g/km | |
| 430d MHEV 8AT RWD (286 HP) | Hybrid | 286 hp | 650 Nm | 5.8 s | 249 km/h | 5.8 l/100 km | 164 g/km | |
| 440i xDrive MHEV 8AT AWD (374 HP) | Hybrid | 374 hp | 500 Nm | 4.9 s | 249 km/h | 8.7 l/100 km | 197 g/km |