The Comparative Analysis :
BMW 650i Cabrio xDrive Automatic (12 - 13) vs. Mercedes S 65 AMG Cabriolet SPEEDSHIFT Plus (16 - 17)
€ 99,300

€ 256,200

€ 99,300
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 650i Cabrio is considerably smaller in every dimension. It's 15 cm shorter, 1.9 cm narrower and 5.7 cm lower than the Mercedes S 65 AMG Cabriolet.
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
1365
1894
2081
1422
1913
2108
1894 mm
Width
1913 mm
2081 mm
Width Incl. Mirrors
2108 mm
1365 mm
Height
1422 mm
2855
4894
2945
5044
4894 mm
Length
5044 mm
2855 mm
Wheelbase
2945 mm
Vehicle Weight
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
2055 kg
Kerb Weight
2255 kg
2465 kg
Gross Vehicle
Weight
Weight
2625 kg

Weight Difference:
200 kg
8.87 %

General
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
F12
Generation
A217
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
V8 petrol engine with two turbochargers (biturbo)
Engine Type
V12 petrol 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
4395 CC
Engine Capacity
5980 CC
444 bhp
at 5500 rpm
Power
621 bhp
at 4800 rpm
BMW 650i Cabrio
444 bhp
621 bhp
Mercedes S 65 AMG Cabriolet
650 NM
at 2000 rpm
Max. Torque
1000 NM
at 2300 rpm
BMW 650i Cabrio
650 NM
1000 NM
Mercedes S 65 AMG Cabriolet
Performance
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph
62
mph
mph
68 m
0.000 sec

BMW 650i Cabrio
62 mph
62
mph
mph
57 m
0.000 sec

Mercedes S 65 AMG Cabriolet
▶ REPLAY
4.63 kg/bhp
Weight-to-Power Ratio
3.63 kg/bhp
BMW 650i Cabrio
4.63 kg/bhp
3.63 kg/bhp
Mercedes S 65 AMG Cabriolet
Fuel Economy / Emissions
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
Fuel Economy
30 mpg
combined
24 mpg
BMW 650i Cabrio
30 mpg
24 mpg
Mercedes S 65 AMG Cabriolet
22 mpg
city
17 mpg
No data
motorway
32 mpg
70 L
Fuel Tank Capacity
80 L
468 mi
Range
414 mi
BMW 650i Cabrio
468 mi
414 mi
Mercedes S 65 AMG Cabriolet
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).
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 650i Cabrio
176.2 kWh
227.4 kWh
Mercedes S 65 AMG Cabriolet
Euro 5
Emission Standard
Euro 6b (NEFZ)
217 g/km (NEFZ)
CO2 Emissions
272 g/km (NEFZ)
Practical Convenience
BMW 650i Cabrio
Mercedes S 65 AMG Cabriolet
2
Doors
2
4
No. of Seats
4
410 kg
Maximum Payload
370 kg
350 L
Boot Capacity
350 L








No data
Boot Capacity (Seats Down)
No data