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BMW 8 Series G15 840i (340 Hp) xDrive Steptronic
Overall Rating
BMW 8 Series:
The BMW 8 Series is a range of grand tourer coupes and convertibles produced by BMW.
The 8 Series was introduced in 1990 under the E31 model code and was only available as a two-door coupé. It is powered by a range of naturally aspirated V8 and V12 petrol engines. The E31 started production just as E24 6 Series production ended; however, it is not considered a direct successor. The E31 was discontinued in 1999 due to poor sales.
The model range was later reintroduced in 2018 with the second generation, G15 8 Series. It launched in coupé , convertible , and four-door Gran Coupé body styles, as the successor to the F06/F12/F13 6 Series lineup. The G15 8 Series introduces an inline-six diesel engine, and a high-performance BMW M8 trim later joined the lineup as well as the luxury inspired Alpina B8....(Read more on Wikipedia)
G15 Overview:
BMW 8 Series (G15). With 500 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~9.5 l/100km). With a weight of 1770 kg, it falls in the mid‑range. All‑wheel drive provides excellent grip, ideal for off‑road use. Acceleration is excellent (0–100 km/h in 4.7 s). The top speed reaches 250 km/h. A two-door car with a fixed roof, known for its sporty design and dynamic performance. Seating for 4 makes it ideal for daily use.
840i (340 Hp) xDrive Steptronic Verdict:
Performance Verdict
A potent combination of the B58 engine's smoothness and power with xDrive's grip, offering rapid acceleration and secure handling.
Fuel Economy
Good balance of performance and economy for an AWD petrol, though slightly thirstier than its RWD counterpart.
Pros and Cons:
Pros:
- • Stunning design and road presence
- • Powerful and refined engine options, including a potent V8
- • Luxurious and high-tech interior with premium materials
- • Excellent handling and driving dynamics for a grand tourer
- • Available xDrive all-wheel drive for enhanced traction
Cons:
- • High purchase price and significant depreciation
- • Limited rear seat space, making it more of a 2+2 than a true four-seater
- • Fuel economy can be high, especially for the M850i
- • Complex infotainment system can have a learning curve
- • Potential for high maintenance costs typical of luxury performance vehicles
Specifications:
Specifications are compared to those of the previous generation(G15: 2020 - March, 2022).
| General: | |
|---|---|
| Brand: | BMW |
| Model: | 8 Series |
| Generation: | G15 |
| Modification (Engine): | 840i (340 Hp) xDrive Steptronic |
| Start of production: | July, 2019 |
| End of production: | 2020 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Coupe |
| Seats: | 4 |
| Doors: | 2 |
| Engine: | |
|---|---|
| Engine systems: | Start & Stop System |
| Power: | 340 Hp @ 5000-6500 rpm. Same horsepower |
| Power per litre: | 113.4 Hp/l [8mm less] |
| Torque: | 500 Nm @ 1600-4500 rpm. |
| Engine Model/Code: | B58B30C More details about the engine B58B30C |
| Engine displacement: | 2998 |
| Number of cylinders: | 6 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Direct injection |
| Engine aspiration: | Twin-power turbo, Intercooler |
| Engine oil capacity: | 6.5 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 82 mm mm |
| Piston Stroke: | 94.6 mm mm |
| Compression ratio: | 11:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 9.4-9.6 l/100 km |
| Fuel consumption (economy) - extra urban: | 6.3-6.5 l/100 km |
| Fuel consumption (economy) - combined (NEDC): | 7.4-7.7 l/100 km |
| Fuel consumption (economy) - urban (NEDC): | 9.4-9.6 l/100 km |
| Fuel consumption (economy) - extra urban (NEDC): | 6.3-6.5 l/100 km |
| Fuel consumption (economy) - combined: | 7.4-7.7 l/100 km |
| Emission standard: | Euro 6d - TEMP |
| Acceleration 0 - 100 km/h: | 4.7 sec |
| Acceleration 0 - 62 mph: | 4.7 sec |
| Maximum speed: | 250 km/h |
| Weight-to-power ratio: | 5.2 kg/Hp, 192.1 Hp/tonne |
| Weight-to-torque ratio: | 3.5 kg/Nm, 282.5 Nm/tonne |
| Acceleration 0 - 60 mph: | 4.5 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1770 |
| Max. weight: | 2280 |
| Max. roof load: | 75 kg |
| Max load: | 510 |
| Trunk (boot) space - minimum: | 420 l |
| Fuel tank capacity: | 68 l |
| Size: | |
|---|---|
| Length: | 4843 mm mm [8mm less] |
| Width: | 1902 mm mm [Same width.] |
| Height: | 1341 mm mm [5mm less] |
| Wheelbase: | 2822 mm mm [Same wheelbase.] |
| Width including mirrors: | 2137 mm |
| Front track: | 1627 mm |
| Rear (Back) track: | 1642 mm |
| Ride height (ground clearance): | 121 mm |
| Minimum turning circle (turning diameter): | 11.9 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle. |
| Drive wheel | All wheel drive (4x4) |
| Number of gears | 8 |
| Transmission type | Automatic |
| Gearbox type | Steptronic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Ventilated discs [Best for performance and cooling.] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 245/45 R18 100Y XL; 275/40 R18 103Y XL |
| Wheel rims size | 8J x 18; 9J x 18 |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
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