BMW 8 Series Convertible (G14) 840i 8AT RWD (340 HP)
BMW 8 Series Convertible (G14) · 2018 - 2022 · Petrol
The BMW 8 Series Convertible (G14) 840i 8AT RWD (340 HP) produces 340 hp and 500 Nm. It accelerates from 0 to 100 km/h in 5.3 seconds and reaches 249 km/h. Stated combined consumption is 7.3 l/100 km, equal to 165 g CO2 per km.
- Power
- 340 hp
- Torque
- 500 Nm
- 0–100
- 5.3 s
- Top speed
- 249 km/h
Engine
| Power | 340 hp |
|---|---|
| Power (kW) | 250 kW |
| Torque | 500 Nm |
| Displacement | 2,998 cc |
| Cylinders | L6 |
| Fuel system | Direct Injection |
| Fuel | Petrol |
| Fuel tank capacity | 68 l |
Performance
| Top speed | 249 km/h |
|---|---|
| Acceleration 0–100 km/h | 5.3 s |
Fuel economy and emissions
| Combined consumption | 7.3 l/100 km |
|---|---|
| City consumption | 9.0 l/100 km |
| Highway consumption | 6.3 l/100 km |
| CO2 emissions | 165 g/km |
Transmission
| Gearbox | 8-Speed Automatic Steptronic |
|---|---|
| Drivetrain | Rear Wheel Drive |
Dimensions and weight
| Length | 4,844 mm |
|---|---|
| Width | 1,902 mm |
| Height | 1,339 mm |
| Wheelbase | 2,822 mm |
| Ground clearance | 117 mm |
| Cargo volume | 351 l |
| Unladen weight | 1,830 kg |
| Gross weight limit | 2,340 kg |
| Tyre size | 245/35 R20 95Y Xl |
| Front brakes | Ventilated Discs |
| Rear brakes | Ventilated Discs |
How this trim compares to other cars
The BMW 8 Series Convertible (G14) 840i 8AT RWD (340 HP) compared with 5,857 trims of other cars from the 2015–2021 period.
| Measure | This trim | Average | Position |
|---|---|---|---|
| Power | 340 hp | 232 hp |
better than 82%
|
| Torque | 500 Nm | 370 Nm |
better than 80%
|
| Top speed | 249 km/h | 218 km/h |
better than 76%
|
| Acceleration 0–100 km/h | 5.3 s | 8.3 s |
better than 81%
|
| Combined consumption | 7.3 l/100 km | 6.7 l/100 km |
better than 30%
|
| CO2 emissions | 165 g/km | 147 g/km |
better than 26%
|
| Cargo volume | 351 l | 499 l |
better than 20%
|
| Unladen weight | 1,830 kg | 1,624 kg |
better than 23%
|
Percentages show the share of trims from the same period this model beats on that measure. Manufacturer figures.
Trims and engine versions — BMW 8 Series Convertible (G14)
| Trim | Fuel | Power | Torque | 0–100 | Top speed | Fuel economy | CO2 | Select |
|---|---|---|---|---|---|---|---|---|
| 840d xDrive 8AT AWD (320 HP) | Diesel | 320 hp | 680 Nm | 5.2 s | 249 km/h | 6.3 l/100 km | 155 g/km | |
| 840i xDrive 8AT AWD (340 HP) | Petrol | 340 hp | 500 Nm | 4.9 s | 249 km/h | 7.6 l/100 km | 173 g/km | |
| M850i xDrive 8AT AWD (530 HP) | Petrol | 530 hp | 750 Nm | 3.9 s | 249 km/h | — | — |