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BMW 6 Series Convertible (F12) 640i (320 Hp) xDrive Steptronic
Overall Rating
BMW 6 Series:
The BMW 6 Series is a range of grand tourers produced by BMW since 1976. It is the successor to the E9 Coupé and is currently in its fourth generation.
The first generation BMW E24 6 Series was available solely as a two-door coupé and produced from 1976 to 1989, when it was supplanted by the larger BMW 8 Series. When the 6 Series nameplate was revived in 2004 for the second generation, the BMW E63/E64 6 Series, the coupé was joined by a convertible body style. The third generation F06/F12/F13 6 Series debuted in 2011 as a coupé and convertible, and a sedan variant known as the "Gran Coupé" in 2012. When the F06/F12/F13 6 Series ended production, the "Gran Coupé"/coupé/convertible models have been shifted into the more upmarket BMW 8 Series nameplate. The fourth generation 6 Series, the G32 6 Series, debuted in mid-2017 and is offered only as a fastback body style to complement the BMW 5 Series sedan/wagon....(Read more on Wikipedia)
Convertible (F12) Overview:
BMW 6 Series (Convertible (F12)). With 450 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~11.3 l/100km). With a weight of 1910 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 5.4 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.
640i (320 Hp) xDrive Steptronic Verdict:
Performance Verdict
Strong inline-six power combined with xDrive traction provides confident and quick acceleration in all conditions.
Fuel Economy
Good fuel efficiency for an AWD petrol luxury convertible, though slightly higher than the RWD variant.
Pros and Cons:
Pros:
- • Elegant styling and luxurious interior
- • Powerful and refined engine options (V8 and I6)
- • Comfortable ride for a grand tourer
- • High-quality materials and advanced technology
- • Excellent open-top driving experience
Cons:
- • High purchase price and significant depreciation
- • N63 V8 engine can have reliability concerns
- • Limited rear passenger space for a 4-seater
- • Fuel consumption can be high on V8 models
- • Large size can make city driving and parking challenging
Specifications:
Specifications are compared to those of the previous generation(Gran Coupe (F06): 2012 - 2015).
| General: | |
|---|---|
| Brand: | BMW |
| Model: | 6 Series |
| Generation: | Convertible (F12) |
| Modification (Engine): | 640i (320 Hp) xDrive Steptronic |
| Start of production: | 2013 |
| End of production: | 2015 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Cabriolet |
| Seats: | 4 |
| Doors: | 2 |
| Engine: | |
|---|---|
| Power: | 320 Hp @ 5800-6000 rpm. Same horsepower |
| Power per litre: | 107.4 Hp/l [113mm less] |
| Torque: | 450 Nm @ 1300-4500 rpm. |
| Engine Model/Code: | N55B30A More details about the engine N55B30A |
| Engine displacement: | 2979 |
| 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 |
| Coolant: | 9.3 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 84 mm mm |
| Piston Stroke: | 89.6 mm mm |
| Compression ratio: | 10.2:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 11.2-11.4 l/100 km |
| Fuel consumption (economy) - extra urban: | 6.5-6.6 l/100 km |
| Fuel consumption (economy) - combined: | 8.2-8.4 l/100 km |
| Emission standard: | Euro 6 |
| Acceleration 0 - 100 km/h: | 5.4 sec |
| Acceleration 0 - 62 mph: | 5.4 sec |
| Maximum speed: | 250 km/h |
| Weight-to-power ratio: | 6 kg/Hp, 167.5 Hp/tonne |
| Weight-to-torque ratio: | 4.2 kg/Nm, 235.6 Nm/tonne |
| Acceleration 0 - 60 mph: | 5.1 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1910 |
| Max. weight: | 2400 |
| Max load: | 490 |
| Trunk (boot) space - maximum: | 350 l |
| Trunk (boot) space - minimum: | 300 l |
| Fuel tank capacity: | 70 l |
| Size: | |
|---|---|
| Length: | 4894 mm mm [113mm less] |
| Width: | 1894 mm mm [Same width.] |
| Height: | 1365 mm mm [27mm less] |
| Wheelbase: | 2855 mm mm [113mm less] |
| Front track: | 1600 mm |
| Rear (Back) track: | 1665 mm |
| Ride height (ground clearance): | 123 mm |
| Minimum turning circle (turning diameter): | 11.7 m [above average] |
| Powertrain: | |
|---|---|
| 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 | 225/55 R17; 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20 |
| Wheel rims size | 8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
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