The Comparative Analysis :
BMW 650i Convertible Automatic (11 - 12) vs. BMW 840d Convertible xDrive Steptronic (19 - ..)
€ 94,300
€ 108,000
€ 94,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,000
ⓘ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 650i Cabrio is 2 inches longer, 0.3 inches narrower and an inch taller than the 840d Cabrio.
650i Cabrio
840d Cabrio
53.7
74.6
81.9
52.7
74.9
84.1
74.6 in
Width
74.9 in
81.9 in
Width Incl. Mirrors
84.1 in
53.7 in
Height
52.7 in
112.4
192.7
111.1
190.7
192.7 in
Length
190.7 in
112.4 in
Wheelbase
111.1 in
Vehicle Weight
650i Cabrio
840d Cabrio
4442 lb
Curb Weight
4475 lb
5269 lb
Gross Vehicle
Weight
Weight
5478 lb
Weight Difference:
33 lb
0.74 %
General
650i Cabrio
840d Cabrio
F12
Generation
G14
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
840d Cabrio
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
BMW N63
Engine Series
BMW B57
N63-B44
Engine Code
B57-D30
4
Valves
4
8
Cylinders
6
4.4 L / 215 cu in
Displacement
3 L / 147 cu in
402 hp
at 5500 rpm
Power
316 hp
at 4400 rpm
650i Cabrio
402 hp
316 hp
840d Cabrio
443 lb‑ft
at 1750 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
650i Cabrio
443 lb‑ft
502 lb‑ft
840d Cabrio
Performance
650i Cabrio
840d Cabrio
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
226 ft
0.000 sec
650i Cabrio
62 mph
62
mph
mph
236 ft
0.000 sec
840d Cabrio
▶ REPLAY
11.05 lb/hp
Weight-to-Power Ratio
14.16 lb/hp
650i Cabrio
11.05 lb/hp
14.16 lb/hp
840d Cabrio
Fuel Economy / Emissions
650i Cabrio
840d Cabrio
Fuel Economy
22 mpg
combined
38 mpg
650i Cabrio
22 mpg
38 mpg
840d Cabrio
15 mpg
city
32 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
17.4 gal
410 mi
Range
662 mi
650i Cabrio
410 mi
662 mi
840d Cabrio
Environmental Impact
200.8 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).
127.6 kWh
650i Cabrio
200.8 kWh
127.6 kWh
840d Cabrio
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
399 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)
Practical Convenience
650i Cabrio
840d Cabrio
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
1003 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data
