BMW 4 Series Convertible (G23) M440i (374 Hp) Mild Hybrid xDrive Steptronic
People\'s Opinion
N/A / 5
BMW 4 Series:
The BMW 4 Series is a range of compact executive cars manufactured by BMW since 2013. The 4 Series was created when BMW spun off the 2-door models of the 3 Series into a separate series. The 4 Series is currently in its second generation.
The original 4 Series concept car was unveiled in January 2013 at the North American International Auto Show in Detroit, Michigan. Both generations have been produced in the coupé, convertible and 5-door liftback body styles. The 4 series body style is very similar to that of the all electric BMW i4....(Read more on Wikipedia)
Convertible (G23) Overview:
BMW 4 Series (Convertible (G23)). With 500 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~9.1 l/100km). With a weight of 1890 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 4.9 s). The top speed reaches 250 km/h. A convertible car with a retractable roof, offering open-air driving experiences. Seating for 4 makes it ideal for daily use.
Performance Verdict
Combines potent power with the all-weather grip of xDrive, ensuring rapid acceleration and confident handling.
Fuel Economy
Good fuel economy for an AWD performance convertible, benefiting from the mild-hybrid system.
Best Use Case:
All-weather performance, spirited driving, luxury touring.
Pros and Cons:
Pros:
- • Stylish and distinctive design with a premium feel
- • Strong and efficient engine lineup, including potent mild-hybrid options
- • High-quality interior with advanced technology and infotainment
- • Engaging driving dynamics and responsive handling
- • Comfortable for a sports convertible, especially on longer journeys
Cons:
- • Premium pricing places it at the higher end of its segment
- • Rear seats are quite cramped, limiting practicality for adults
- • Ride can be firm on larger wheel options, impacting comfort on rough roads
- • Roof mechanism adds weight and complexity compared to a coupe
- • Some competitors offer a slightly softer, more comfort-focused ride
Specifications:
Specifications are compared to those of the previous generation(Convertible (F33, facelift 2017): 2017 - 2020).
| General: |
| Brand: | BMW |
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| Model: | 4 Series |
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| Generation: | Convertible (G23) |
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| Modification (Engine): | M440i (374 Hp) Mild Hybrid xDrive Steptronic |
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| Start of production: | 2020 |
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| End of production: | January, 2024 |
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| Powertrain Architecture: | MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV) |
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| Body type: | Cabriolet |
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| Seats: | 4 |
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| Doors: | 2 |
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| Engine: |
| Engine systems: | Start & Stop System |
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| Power: | 374 Hp @ 5500-6500 rpm. Same horsepower |
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| Power per litre: | 124.7 Hp/l [130mm more] |
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| Torque: | 500 Nm @ 1900-5000 rpm. |
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| Engine Model/Code: | B58B30B More details about the engine B58B30B |
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| Engine displacement: | 2998 |
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| Number of cylinders: | 6 |
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| Engine configuration: | Inline |
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| Number of valves per cylinder: | 4 |
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| Fuel injection system: | Direct injection |
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| Engine aspiration: | Twin-power turbo, Intercooler |
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| Valvetrain: | Double-VANOS, VALVETRONIC |
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| Engine oil capacity: | 7.2 l |
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| Coolant: | 10.5 l |
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| Engine layout: | Front, Longitudinal |
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| Cylinder Bore: | 82 mm mm |
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| Piston Stroke: | 94.6 mm mm |
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| Compression ratio: | 10.2:1 |
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| Performance: |
| Fuel Type: | Petrol (Gasoline) |
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| Fuel consumption (economy) - urban: | 8.9-9.3 l/100 km |
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| Fuel consumption (economy) - extra urban: | 5.8-6.2 l/100 km |
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| Combined fuel consumption (WLTP): | 7.8-8.4 l/100 km |
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| Fuel consumption (economy) - combined (NEDC): | 6.9-7.4 l/100 km |
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| Fuel consumption (economy) - urban (NEDC): | 8.9-9.3 l/100 km |
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| Fuel consumption (economy) - extra urban (NEDC): | 5.8-6.2 l/100 km |
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| Fuel consumption (economy) - combined: | 6.9-7.4 l/100 km |
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| Emission standard: | Euro 6d |
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| Acceleration 0 - 100 km/h: | 4.9 sec |
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| Acceleration 0 - 62 mph: | 4.9 sec |
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| Maximum speed: | 250 km/h, Electronically limited |
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| Weight-to-power ratio: | 5.1 kg/Hp, 197.9 Hp/tonne |
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| Weight-to-torque ratio: | 3.8 kg/Nm, 264.6 Nm/tonne |
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| Acceleration 0 - 60 mph: | 4.7 sec |
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| Space: |
| Kerb Weight: | 1890 |
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| Max. weight: | 2390 |
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| Max load: | 500 |
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| Trunk (boot) space - maximum: | 385 l |
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| Trunk (boot) space - minimum: | 300 l |
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| Permitted trailer load with brakes (12%): | 1800 kg |
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| Fuel tank capacity: | 59 l |
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| Permitted trailer load without brakes: | 750 kg |
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| Permitted towbar download: | 75 kg |
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| Size: |
| Length: | 4770 mm mm [130mm more] |
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| Width: | 1852 mm mm [27mm more] |
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| Height: | 1394 mm mm [10mm more] |
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| Wheelbase: | 2851 mm mm [41mm more] |
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| Front track: | 1575 mm |
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| Rear (Back) track: | 1611 mm |
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| Ride height (ground clearance): | 126 mm |
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| Minimum turning circle (turning diameter): | 12.0 m [above average] |
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| Powertrain: |
| Drivetrain Architecture | The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode. |
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| Drive wheel | All wheel drive (4x4) |
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| Number of gears | 8 |
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| Transmission type | Automatic |
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| Gearbox type | Steptronic |
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| Front brakes | Ventilated discs [Best for performance and cooling.] |
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| Rear brakes | Ventilated discs [Best for performance and cooling.] |
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| Assisting systems | ABS (Anti-lock braking system) |
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| Steering type | Steering rack and pinion |
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| Power steering | Electric Steering |
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| Tires size | Front wheel tires: 225/45 R18 |
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| Wheel rims size | Front wheel rims: 7.5J x 18 |
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| Front suspension | Spring Strut, Transverse stabilizer |
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| Rear suspension | Independent multi-link spring suspension with stabilizer |
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| Electric: |
| Gross battery capacity: | 0.4 kWh |
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| Battery technology: | Lithium-ion (Li-Ion) |
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| Battery location: | Under the front hood |
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| Electric motor power: | 11 Hp |
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| Electric motor Torque: | 25 Nm |
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| Electric motor location: | Front, Longitudinal |
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| Battery voltage: | 48 V |
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