The Comparative Analysis :

BMW 650i Convertible Steptronic (13 - 14) vs. BMW 640d Convertible xDrive Steptronic (15 - 18)

€ 95,900
BMW 650i Convertible Steptronic (13 - 14) 650i Cabrio
€ 99,300
 BMW 640d Convertible xDrive Steptronic (15 - 18) 640d Cabrio
€ 95,900
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 650i Cabrio and the 640d Cabrio are absolutely identical. Both are 192.7 inches long, 74.6 inches wide and 53.7 inches tall.
650i Cabrio
640d Cabrio
53.7
Blueprint BMW 650i Convertible Steptronic (13 - 14)
74.6
81.9
53.7
Blueprint BMW 640d 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 650i Convertible Steptronic (13 - 14)
112.4
192.7
Blueprint BMW 640d 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

650i Cabrio
640d Cabrio
4442 lb
Curb Weight
4420 lb
5269 lb
Gross Vehicle
Weight
5379 lb
BMW 650i Convertible Steptronic (13 - 14)
Weight Difference:
22 lb
0.5 %
BMW 640d Convertible xDrive Steptronic (15 - 18)

General

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

Engine

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

Performance

650i Cabrio
640d Cabrio
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

226 ft
0.000 sec

650i Cabrio

62 mph 62
mph

243 ft
0.000 sec

640d Cabrio

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

Fuel Economy / Emissions

650i Cabrio
640d Cabrio
Fuel Economy
26 mpg
combined
41 mpg
650i Cabrio
26 mpg
41 mpg
640d Cabrio
19 mpg
city
35 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
489 mi
Range
750 mi
650i Cabrio
489 mi
750 mi
640d Cabrio
Environmental Impact
168.7 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).
119.3 kWh
650i Cabrio
168.7 kWh
119.3 kWh
640d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
248 g/mi (NEFZ)

Practical Convenience

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