Select Units
Brand
Series
Model
Modification
640i (320 Hp) xDrive Steptronic
Body Type
Cabriolet
Start of production
2015
End of production
2018
Emission standard
Euro 6
Powertrain
ICE
Fuel type
Petrol (Gasoline)
Fuel tank capacity
70
l
18.49
US gal
15.4
UK gal
Engine displacement
2979 cm³ 181.79 cu. In.
Power
320 hp (at 5800 rpm)
Torque
450 Nm (at 1300 rpm) 331.9 lb. ft (at 1300 rpm)
Drive Axle
All wheel drive (4x4)
Top Speed
250 km/h 155 mph
Gearbox type
Automatic
Number of Gears
8 Steptronic
Kerb weight
1890 kg 4166.7 lbs
Length
4894 mm 192.68 in
Width
1894 mm 74.57 in
Doors
2
Seats
4
Wheel rims
8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20
Economy
- Urban
11.2 - 11.7
l/100 km
21 - 20.1
US mpg
25.22 - 24.14
UK mpg
- Extra urban
6.2 - 6.4
l/100 km
37.94 - 36.75
US mpg
45.56 - 44.14
UK mpg
- Combined
8 - 8.4
l/100 km
29.4 - 28
US mpg
35.31 - 33.63
UK mpg
Emission standard
Euro 6
Overall emissions
187 - 195 g/km
Speed
- Top speed
250 km/h 155 mph
Acceleration
0 - 100 km/h
5.4 sec
0 - 60 mph
5.1 sec
Drag coefficient (Cd)
0.31
Engine Model
N55B30A
Powertrain
ICE
Fuel type
Petrol (Gasoline)
Fuel system
Direct injection
Engine Location
Front, Longitudinal
Turbine
Twin-power turbo
Engine displacement
2979 cm³ 181.79 cu. In.
Power
320 hp (at 5800 rpm)
Torque
450 Nm (at 1300 rpm) 331.9 lb. ft (at 1300 rpm)
Number of cylinders
6
Valves per cylinder
4
Position of cylinders
Inline
Cylinder Bore
84 mm 3.31 in
Piston Stroke
89.6 mm 3.53 in
Compression ratio
10.2
Engine oil capacity
6.5
l
6.89
US qt
5.72
UK qt
Coolant
9.3
l
9.86
US qt
8.18
UK qt
Length
4894 mm 192.68 in
Width
1894 mm 74.57 in
Height
1365 mm 53.74 in
Wheelbase
2855 mm 112.4 in
Front track
1600 mm 62.99 in
Rear (Back) track
1665 mm 65.55 in
Ride height
123 mm 4.84 in
Turning diameter
11.7 m 38.39 ft
Drive Axle
All wheel drive (4x4)
Number of Gears
8 Steptronic
Brakes
- Front
Disc
- Rear
Disc
Assisting system
ABS
Steering type
Steering rack and pinion
Power steering
Electric Steering
Suspension
- Front
Double wishbone
- Rear
Independent multi-link suspension
Tire size
- Front
225/55 R17; 245/45 R18; 275/45 R18; 245/40 R19; 275/35 R19; 245/35 R20; 275/30 R20
Wheel rims
8J x 17; 8J x 18; 9J x 18; 8.5J x 19; 9J x 19; 8.5J x 20; 9J x 20
Kerb weight
1890 kg 4166.7 lbs
Max. weight
2390 kg 5269 lbs
Luggage capacity
- Min. (seats up)
300 l 10.59 cu ft
- Max. (seats down)
350 l 12.36 cu ft
- Max. roof load
500 kg 1102.3 lbs