The Comparative Analysis :

BMW 640d Convertible xDrive Steptronic (12 - 14) vs. BMW 650i Convertible xDrive Automatic (12 - 13)

€ 90,800
BMW 640d Convertible xDrive Steptronic (12 - 14) 640d Cabrio
€ 99,300
 BMW 650i Convertible xDrive Automatic (12 - 13) 650i Cabrio
€ 90,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 99,300

ⓘ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 650i Cabrio are absolutely identical. Both are 192.7 inches long, 74.6 inches wide and 53.7 inches tall.
640d Cabrio
650i Cabrio
53.7
Blueprint BMW 640d Convertible xDrive Steptronic (12 - 14)
74.6
81.9
53.7
Blueprint BMW 650i Convertible xDrive Automatic (12 - 13)
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 xDrive Steptronic (12 - 14)
112.4
192.7
Blueprint BMW 650i Convertible xDrive Automatic (12 - 13)
112.4
192.7
192.7 in
Length
192.7 in
112.4 in
Wheelbase
112.4 in

Vehicle Weight

640d Cabrio
650i Cabrio
4420 lb
Curb Weight
4530 lb
5379 lb
Gross Vehicle
Weight
5434 lb
BMW 640d Convertible xDrive Steptronic (12 - 14)
Weight Difference:
110 lb
2.43 %
BMW 650i Convertible xDrive Automatic (12 - 13)

General

640d Cabrio
650i Cabrio
F12
Generation
F12
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

640d Cabrio
650i Cabrio
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N57
Engine Series
BMW N63
N57-D30
Engine Code
N63-B44
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.4 L / 215 cu in
309 hp
at 4400 rpm
Power
444 hp
at 5500 rpm
640d Cabrio
309 hp
444 hp
650i Cabrio
465 lb‑ft
at 1500 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
640d Cabrio
465 lb‑ft
479 lb‑ft
650i Cabrio

Performance

640d Cabrio
650i Cabrio
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

246 ft
0.000 sec

640d Cabrio

62 mph 62
mph

223 ft
0.000 sec

650i Cabrio

▶ REPLAY
14.3 lb/hp
Weight-to-Power Ratio
10.2 lb/hp
640d Cabrio
14.3 lb/hp
10.2 lb/hp
650i Cabrio

Fuel Economy / Emissions

640d Cabrio
650i Cabrio
Fuel Economy
40 mpg
combined
25 mpg
640d Cabrio
40 mpg
25 mpg
650i Cabrio
33 mpg
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
737 mi
Range
468 mi
640d Cabrio
737 mi
468 mi
650i Cabrio
Environmental Impact
121.3 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).
176.2 kWh
640d Cabrio
121.3 kWh
176.2 kWh
650i Cabrio
Euro 5
Emission Standard
Euro 5
248 g/mi (NEFZ)
CO2 Emissions
349 g/mi (NEFZ)

Practical Convenience

640d Cabrio
650i Cabrio
2
Doors
2
4
No. of Seats
4
959 lb
Maximum Payload
904 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data