The Comparative Analysis :

BMW 650i Convertible xDrive Steptronic (15 - 18) vs. BMW 840d Convertible xDrive Steptronic (19 - ..)

€ 106,700
BMW 650i Convertible xDrive Steptronic (15 - 18) 650i Cabrio
€ 108,000
 BMW 840d Convertible xDrive Steptronic (19 - ..) 840d Cabrio
€ 106,700
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
Blueprint BMW 650i Convertible xDrive Steptronic (15 - 18)
74.6
81.9
52.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
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
Blueprint BMW 650i Convertible xDrive Steptronic (15 - 18)
112.4
192.7
Blueprint BMW 840d Convertible xDrive Steptronic (19 - ..)
111.1
190.7
192.7 in
Length
190.7 in
112.4 in
Wheelbase
111.1 in

Vehicle Weight

650i Cabrio
840d Cabrio
4530 lb
Curb Weight
4475 lb
5467 lb
Gross Vehicle
Weight
5478 lb
BMW 650i Convertible xDrive Steptronic (15 - 18)
Weight Difference:
55 lb
1.21 %
BMW 840d Convertible xDrive Steptronic (19 - ..)

General

650i Cabrio
840d Cabrio
F12
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
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
444 hp
at 5500 rpm
Power
316 hp
at 4400 rpm
650i Cabrio
444 hp
316 hp
840d Cabrio
479 lb‑ft
at 2000 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
650i Cabrio
479 lb‑ft
502 lb‑ft
840d Cabrio

Performance

650i Cabrio
840d Cabrio
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph 62
mph

207 ft
0.000 sec

650i Cabrio

62 mph 62
mph

236 ft
0.000 sec

840d Cabrio

▶ REPLAY
10.2 lb/hp
Weight-to-Power Ratio
14.16 lb/hp
650i Cabrio
10.2 lb/hp
14.16 lb/hp
840d Cabrio

Fuel Economy / Emissions

650i Cabrio
840d Cabrio
Fuel Economy
25 mpg
combined
38 mpg
650i Cabrio
25 mpg
38 mpg
840d Cabrio
18 mpg
city
32 mpg
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.4 gal
Kraftstoffanzeige
468 mi
Range
662 mi
650i Cabrio
468 mi
662 mi
840d Cabrio
Environmental Impact
176.2 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).
127.6 kWh
650i Cabrio
176.2 kWh
127.6 kWh
840d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
349 g/mi (NEFZ)
CO2 Emissions
296 g/mi (WLTP)

Practical Convenience

650i Cabrio
840d Cabrio
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
1003 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data