BMW 4-Series Convertible 420i 8AT (184 HP)
BMW 4-Series Convertible · 2021 - present · Petrol
The BMW 4-Series Convertible 420i 8AT (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 6.1 l/100 km, equal to 140 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 | 6.1 l/100 km |
|---|---|
| City consumption | 7.4 l/100 km |
| Highway consumption | 5.4 l/100 km |
| CO2 emissions | 140 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 | 1,765 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 (184 HP) compared with 3,609 trims of other cars from the 2018–2024 period.
| Measure | This trim | Average | Position |
|---|---|---|---|
| Power | 184 hp | 262 hp |
better than 40%
|
| Torque | 300 Nm | 406 Nm |
better than 34%
|
| Top speed | 237 km/h | 225 km/h |
better than 64%
|
| Acceleration 0–100 km/h | 8.2 s | 7.6 s |
better than 41%
|
| Combined consumption | 6.1 l/100 km | 7.0 l/100 km |
better than 53%
|
| CO2 emissions | 140 g/km | 154 g/km |
better than 54%
|
| Cargo volume | 385 l | 545 l |
better than 25%
|
| Unladen weight | 1,765 kg | 1,724 kg |
better than 38%
|
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 8AT (190 HP) | Hybrid | 190 hp | 400 Nm | 7.6 s | 237 km/h | 4.5 l/100 km | 119 g/km | |
| 430i 8AT (258 HP) | Petrol | 258 hp | 400 Nm | 6.2 s | 249 km/h | 6.4 l/100 km | 147 g/km | |
| M440i xDrive 8AT AWD (374 HP) | Hybrid | 374 hp | 500 Nm | 4.9 s | 249 km/h | 7.4 l/100 km | 169 g/km |