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BMW 8 Series G15 840i (340 Hp) 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 (~8.85 l/100km). With a weight of 1710 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is excellent (0–100 km/h in 5 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) Steptronic Verdict:
Performance Verdict
A spirited petrol engine offering smooth, linear power delivery and engaging rear-wheel-drive dynamics, ideal for enthusiastic driving.
Fuel Economy
Decent fuel economy for a powerful petrol engine, though naturally less frugal than the diesel variants.
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) 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: | 8.7-9.0 l/100 km |
| Fuel consumption (economy) - extra urban: | 6.2-6.3 l/100 km |
| Fuel consumption (economy) - combined (NEDC): | 7.1-7.3 l/100 km |
| Fuel consumption (economy) - urban (NEDC): | 8.7-9.0 l/100 km |
| Fuel consumption (economy) - extra urban (NEDC): | 6.2-6.3 l/100 km |
| Fuel consumption (economy) - combined: | 7.1-7.3 l/100 km |
| Emission standard: | Euro 6d - TEMP |
| Acceleration 0 - 100 km/h: | 5 sec |
| Acceleration 0 - 62 mph: | 5 sec |
| Maximum speed: | 250 km/h |
| Weight-to-power ratio: | 5 kg/Hp, 198.8 Hp/tonne |
| Weight-to-torque ratio: | 3.4 kg/Nm, 292.4 Nm/tonne |
| Acceleration 0 - 60 mph: | 4.8 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1710 |
| Max. weight: | 2225 |
| Max. roof load: | 75 kg |
| Max load: | 515 |
| 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): | 11.6 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| 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 |
Does the BMW 8 Series live up to the hype? Give us your verdict!