 
                        Convertible, 2 Doors, 4 Seats
 
                                                7.6-7.9 l/100 km 30.95 - 29.77 US mpg
                         
                       
                                                 10.6-11.0 l/100 km 22.19 - 21.38 US mpg
                         
                                               5.8-6.1 l/100 km 40.55 - 38.56 US mpg                         
                     
                       
                                                  320 Hp @ 5800-6000 rpm.
                         
                                                  107.4 Hp/l                         
                        
250 km/h 155.34 mph
                                            2979  cm3
                                        181.79 cu. in.                                                               
6, Inline
Rear wheel drive,
                                       4894 mm                                       
 192.68 in.                                              
                                       1894 mm                                       
 74.57 in.                                              
                                       1820 kg                                       
4012.41 lbs.                                              
| Brand | BMW | 
|---|---|
| Model | 6 Series (Convertible) | 
| Version | 6 Series Convertible (F12 LCI, facelift 2015) | 
| Engine version | 640i (320 Hp) Steptronic | 
| Year production start | 2015 | 
| Year production end | 2018 | 
| Vehicle type | Convertible | 
| Horsepower RPM | 320 Hp @ 5800-6000 rpm. | 
| Acceleration 0 - 100 kmh sec | 5.5 sec | 
| Curb weight kg -lbs total | 1820 kg4012.41 lbs. | 
| Overall length mm - inch | 4894 mm192.68 in. | 
| Doors | 2 | 
| Top Speed | 250 km/h 155.34 mph | 
| Designation model | N55B30 | 
|---|---|
| Engine position and orientation | Front, Longitudinal | 
| Cylinders | 6 | 
| Position of cylinders | Inline | 
| Displacement (liters) | 2979 cm3181.79 cu. in. | 
| Eng. horsepower RPM | 320 Hp @ 5800-6000 rpm. | 
| Horsepower per litre | 107.4 Hp/l | 
| Weight / horsepower kg/hp - hp/tons | 5.7 kg/Hp175.8 Hp/tonne | 
| Weight / torque kg/Nm - Nm/tons | 4 kg/Nm, 247.3 Nm/tonne 4 kg/Nm247.3 Nm/tonne | 
| Torque Nm RPM lb-ft RPM | 450 Nm @ 1300-4500 rpm.331.9 lb.-ft. @ 1300-4500 rpm. | 
| Bore (mm in) | 84 mm3.31 in. | 
| Stroke (mm in) | 89.6 mm3.53 in. | 
| Compression ratio | 10.2 | 
| Fuel delivery system | Direct injection | 
| Fuel type | Petrol (Gasoline) | 
| Valvetrain | 4 | 
| Engine aspiration | Twin-power turbo, Intercooler | 
| Engine oil liters | quarts | 6.5 l6.87 US qt | 5.72 UK qt | 
| Engine coolant | 10.2 l10.78 US qt | 8.97 UK qt | 
| Emission certification | Euro 6 | 
| Powertrain architecture | Internal Combustion engine | 
| Engine location | Front, Longitudinal | 
| Drive configuration | Rear wheel drive | 
|---|
| Front brakes | Disc | 
|---|---|
| Rear brakes | Disc | 
| Brake control | Disc | 
| Anti-lock brake system | ABS (Anti-lock braking system) | 
| Steering type | Steering rack and pinion | 
|---|---|
| Turning diameter m - ft | 11.7 m38.39 ft. | 
| Front suspension | Double wishbone | 
|---|---|
| Rear suspension | Multi-link independent | 
| Wheels size | 225/55 R17; 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20 | 
|---|---|
| Wheels rims | 8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20 | 
| Passengers seats | 4 | 
|---|---|
| Trunk space min liter | cu. Ft. | 300 l10.59 cu. ft. | 
| Trunk space max liter | cu. Ft. | 350 l12.36 cu. ft. | 
| Overall length mm - inch | 4894 mm192.68 in. | 
|---|---|
| Overall width mm -inch | 1894 mm74.57 in. | 
| Overall height mm -inch | 1365 mm53.74 in. | 
| Wheelbase mm - inch | 2855 mm112.4 in. | 
| Track width front mm - inch | 1600 mm62.99 in. | 
| Track width rear mm - inch | 1665 mm65.55 in. | 
| Coefficient of drag | 0.3 | 
| Curb weight kg -lbs total | 1820 kg4012.41 lbs. | 
|---|---|
| Gross weight kg -lbs total | 2325 kg5125.75 lbs. | 
| Capacities kg - lbs | 505 kg1113.33 lbs. | 
| Fuel tank liters | gallons | 70 l18.49 US gal | 15.4 UK gal | 
| City l/100km - mpg | 10.6-11.0 l/100 km22.19 - 21.38 US mpg | 
|---|---|
| Highway l/100 km - mpg | 5.8-6.1 l/100 km40.55 - 38.56 US mpg | 
| Combined l/100 km - Mpg | 7.6-7.9 l/100 km30.95 - 29.77 US mpg | 
| Autonomy km (combined use) | 921 | 
6 CYLINDER INLINE
https://www.thecarspec.com/components/engine/6-cylinder-engine