The Comparative Analysis :

BMW 650i Convertible Steptronic (15 - 18) vs. BMW M850i Convertible xDrive Steptronic Sport (19 - ..)

€ 103,300
BMW 650i Convertible Steptronic (15 - 18) 650i Cabrio
€ 133,700
 BMW M850i Convertible xDrive Steptronic Sport (19 - ..) M850i Cabrio
€ 103,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 133,700

ⓘ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 1.7 inches longer, 0.3 inches narrower and 0.8 inches taller than the M850i Cabrio.
650i Cabrio
M850i Cabrio
53.7
Blueprint BMW 650i Convertible Steptronic (15 - 18)
74.6
81.9
53
Blueprint BMW M850i Convertible xDrive Steptronic Sport (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
53 in
Blueprint BMW 650i Convertible Steptronic (15 - 18)
112.4
192.7
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
111.1
191
192.7 in
Length
191 in
112.4 in
Wheelbase
111.1 in

Vehicle Weight

650i Cabrio
M850i Cabrio
4420 lb
Curb Weight
4608 lb
5346 lb
Gross Vehicle
Weight
5545 lb
BMW 650i Convertible Steptronic (15 - 18)
Weight Difference:
187 lb
4.06 %
BMW M850i Convertible xDrive Steptronic Sport (19 - ..)

General

650i Cabrio
M850i Cabrio
F12
Generation
G14
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

650i Cabrio
M850i Cabrio
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N63
Engine Series
BMW N63
N63-B44
Engine Code
N63-B44
4
Valves
4
8
Cylinders
8
4.4 L / 215 cu in
Displacement
4.4 L / 215 cu in
444 hp
at 5500 rpm
Power
523 hp
at 5500 rpm
650i Cabrio
444 hp
523 hp
M850i Cabrio
479 lb‑ft
at 2000 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
650i Cabrio
479 lb‑ft
553 lb‑ft
M850i Cabrio

Performance

650i Cabrio
M850i Cabrio
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph 62
mph

210 ft
0.000 sec

650i Cabrio

62 mph 62
mph

177 ft
0.000 sec

M850i Cabrio

▶ REPLAY
9.95 lb/hp
Weight-to-Power Ratio
8.81 lb/hp
650i Cabrio
9.95 lb/hp
8.81 lb/hp
M850i Cabrio

Fuel Economy / Emissions

650i Cabrio
M850i Cabrio
Fuel Economy
26 mpg
combined
23 mpg
650i Cabrio
26 mpg
23 mpg
M850i Cabrio
19 mpg
city
No data
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
489 mi
Range
414 mi
650i Cabrio
489 mi
414 mi
M850i 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).
193.3 kWh
650i Cabrio
168.7 kWh
193.3 kWh
M850i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
335 g/mi (NEFZ)
CO2 Emissions
420 g/mi (WLTP)

Practical Convenience

650i Cabrio
M850i Cabrio
2
Doors
2
4
No. of Seats
4
926 lb
Maximum Payload
937 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data