The Comparative Analysis :

BMW M850i Convertible xDrive Steptronic Sport (19 - ..) vs. Mercedes S 65 AMG Convertible SPEEDSHIFT Plus (16 - 17)

€ 133,700
BMW M850i Convertible xDrive Steptronic Sport (19 - ..) BMW M850i Cabrio
€ 256,200
 Mercedes S 65 AMG Convertible SPEEDSHIFT Plus (16 - 17) Mercedes S 65 AMG Convertible
€ 133,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 256,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW M850i Cabrio is considerably smaller in every dimension. It's 7.6 inches shorter, 0.4 inches narrower and 3 inches lower than the Mercedes S 65 AMG Convertible.
BMW M850i Cabrio
Mercedes S 65 AMG Convertible
53
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
74.9
84.1
56
Blueprint Mercedes S 65 AMG Convertible SPEEDSHIFT Plus (16 - 17)
75.3
83
74.9 in
Width
75.3 in
84.1 in
Width Incl. Mirrors
83 in
53 in
Height
56 in
Blueprint BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
111.1
191
Blueprint Mercedes S 65 AMG Convertible SPEEDSHIFT Plus (16 - 17)
115.9
198.6
191 in
Length
198.6 in
111.1 in
Wheelbase
115.9 in

Vehicle Weight

BMW M850i Cabrio
Mercedes S 65 AMG Convertible
4608 lb
Curb Weight
4971 lb
5545 lb
Gross Vehicle
Weight
5787 lb
BMW M850i Convertible xDrive Steptronic Sport (19 - ..)
Weight Difference:
364 lb
7.32 %
Mercedes S 65 AMG Convertible SPEEDSHIFT Plus (16 - 17)

General

BMW M850i Cabrio
Mercedes S 65 AMG Convertible
G14
Generation
A217
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW M850i Cabrio
Mercedes S 65 AMG Convertible
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N63
Engine Series
Mercedes-Benz M 279
N63-B44
Engine Code
M 279.980
4
Valves
4
8
Cylinders
12
4.4 L / 215 cu in
Displacement
6 L / 294 cu in
523 hp
at 5500 rpm
Power
621 hp
at 4800 rpm
BMW M850i Cabrio
523 hp
621 hp
Mercedes S 65 AMG Convertible
553 lb‑ft
at 1800 rpm
Max. Torque
738 lb‑ft
at 2300 rpm
BMW M850i Cabrio
553 lb‑ft
738 lb‑ft
Mercedes S 65 AMG Convertible

Performance

BMW M850i Cabrio
Mercedes S 65 AMG Convertible
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph 62
mph

177 ft
0.000 sec

BMW M850i Cabrio

62 mph 62
mph

187 ft
0.000 sec

Mercedes S 65 AMG Convertible

▶ REPLAY
8.81 lb/hp
Weight-to-Power Ratio
8 lb/hp
BMW M850i Cabrio
8.81 lb/hp
8 lb/hp
Mercedes S 65 AMG Convertible

Fuel Economy / Emissions

BMW M850i Cabrio
Mercedes S 65 AMG Convertible
Fuel Economy
23 mpg
combined
20 mpg
BMW M850i Cabrio
23 mpg
20 mpg
Mercedes S 65 AMG Convertible
No data
city
14 mpg
No data
highway
26 mpg
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
414 mi
Range
414 mi
BMW M850i Cabrio
414 mi
414 mi
Mercedes S 65 AMG Convertible
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).
227.4 kWh
BMW M850i Cabrio
193.3 kWh
227.4 kWh
Mercedes S 65 AMG Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
420 g/mi (WLTP)
CO2 Emissions
438 g/mi (NEFZ)

Practical Convenience

BMW M850i Cabrio
Mercedes S 65 AMG Convertible
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
816 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data