The Comparative Analysis :

BMW 640d Convertible Steptronic (11 - 14) vs. BMW 640i Convertible xDrive Steptronic (15 - 18)

€ 87,400
BMW 640d Convertible Steptronic (11 - 14) 640d Cabrio
€ 95,100
 BMW 640i Convertible xDrive Steptronic (15 - 18) 640i Cabrio
€ 87,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 95,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of the 640d Cabrio and the 640i Cabrio are absolutely identical. Both are 192.7 inches long, 74.6 inches wide and 53.7 inches tall.
640d Cabrio
640i Cabrio
53.7
Blueprint BMW 640d Convertible Steptronic (11 - 14)
74.6
81.9
53.7
Blueprint BMW 640i Convertible xDrive Steptronic (15 - 18)
74.6
81.9
74.6 in
Width
74.6 in
81.9 in
Width Incl. Mirrors
81.9 in
53.7 in
Height
53.7 in
Blueprint BMW 640d Convertible Steptronic (11 - 14)
112.4
192.7
Blueprint BMW 640i Convertible xDrive Steptronic (15 - 18)
112.4
192.7
192.7 in
Length
192.7 in
112.4 in
Wheelbase
112.4 in

Vehicle Weight

640d Cabrio
640i Cabrio
4266 lb
Curb Weight
4332 lb
5159 lb
Gross Vehicle
Weight
5269 lb
BMW 640d Convertible Steptronic (11 - 14)
Weight Difference:
66 lb
1.52 %
BMW 640i Convertible xDrive Steptronic (15 - 18)

General

640d Cabrio
640i Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

640d Cabrio
640i Cabrio
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-six gasoline engine with tur­bo­charger
BMW N57
Engine Series
BMW N55
N57-D30
Engine Code
N55-B30
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
309 hp
at 4400 rpm
Power
316 hp
at 5800 rpm
640d Cabrio
309 hp
316 hp
640i Cabrio
465 lb‑ft
at 1500 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
640d Cabrio
465 lb‑ft
332 lb‑ft
640i Cabrio

Performance

640d Cabrio
640i Cabrio
155 mph
Maximum Speed
155 mph
5.6 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

256 ft
0.000 sec

640d Cabrio

62 mph 62
mph

246 ft
0.000 sec

640i Cabrio

▶ REPLAY
13.81 lb/hp
Weight-to-Power Ratio
13.71 lb/hp
640d Cabrio
13.81 lb/hp
13.71 lb/hp
640i Cabrio

Fuel Economy / Emissions

640d Cabrio
640i Cabrio
Fuel Economy
42 mpg
combined
29 mpg
640d Cabrio
42 mpg
29 mpg
640i Cabrio
35 mpg
city
21 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
777 mi
Range
531 mi
640d Cabrio
777 mi
531 mi
640i Cabrio
Environmental Impact
115.2 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
155.3 kWh
640d Cabrio
115.2 kWh
155.3 kWh
640i Cabrio
Euro 5
Emission Standard
Euro 6b (NEFZ)
237 g/mi (NEFZ)
CO2 Emissions
307 g/mi (NEFZ)

Practical Convenience

640d Cabrio
640i Cabrio
2
Doors
2
4
No. of Seats
4
893 lb
Maximum Payload
937 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data