The Comparative Analysis :
BMW M850i Convertible xDrive Steptronic Sport (19 - ..) vs. BMW 640d Convertible Steptronic (11 - 14)
€ 133,700
€ 87,400
€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,400
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The M850i Cabrio is 1.7 inches shorter, 0.3 inches wider and 0.8 inches lower than the 640d Cabrio.
M850i Cabrio
640d Cabrio
53
74.9
84.1
53.7
74.6
81.9
74.9 in
Width
74.6 in
84.1 in
Width Incl. Mirrors
81.9 in
53 in
Height
53.7 in
111.1
191
112.4
192.7
191 in
Length
192.7 in
111.1 in
Wheelbase
112.4 in
Vehicle Weight
M850i Cabrio
640d Cabrio
4608 lb
Curb Weight
4266 lb
5545 lb
Gross Vehicle
Weight
Weight
5159 lb
Weight Difference:
342 lb
7.42 %
General
M850i Cabrio
640d Cabrio
G14
Generation
F12
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
M850i 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
523 hp
at 5500 rpm
Power
309 hp
at 4400 rpm
M850i Cabrio
523 hp
309 hp
640d Cabrio
553 lb‑ft
at 1800 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
M850i Cabrio
553 lb‑ft
465 lb‑ft
640d Cabrio
Performance
M850i Cabrio
640d Cabrio
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
177 ft
0.000 sec
M850i Cabrio
62 mph
62
mph
mph
256 ft
0.000 sec
640d Cabrio
▶ REPLAY
8.81 lb/hp
Weight-to-Power Ratio
13.81 lb/hp
M850i Cabrio
8.81 lb/hp
13.81 lb/hp
640d Cabrio
Fuel Economy / Emissions
M850i Cabrio
640d Cabrio
Fuel Economy
23 mpg
combined
42 mpg
M850i Cabrio
23 mpg
42 mpg
640d Cabrio
No data
city
35 mpg
No data
highway
No data
18 gal
Fuel Tank Capacity
18.5 gal
414 mi
Range
777 mi
M850i Cabrio
414 mi
777 mi
640d Cabrio
Environmental Impact
193.3 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).
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).
115.2 kWh
M850i Cabrio
193.3 kWh
115.2 kWh
640d Cabrio
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
420 g/mi (WLTP)
CO2 Emissions
237 g/mi (NEFZ)
Practical Convenience
M850i Cabrio
640d Cabrio
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
893 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
