The Comparative Analysis :
Mercedes S 500 Cabriolet 9G-TRONIC (16 - 17) vs. BMW 640d Cabrio xDrive Steptronic (15 - 18)
€ 140,500

€ 99,300

€ 140,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 99,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 500 Cabriolet is slightly bigger in every dimension. It's 13.3 cm longer, 0.5 cm wider and 4.6 cm taller than the BMW 640d Cabrio.
Mercedes S 500 Cabriolet
BMW 640d Cabrio
1411
1899
2108
1365
1894
2081
1899 mm
Width
1894 mm
2108 mm
Width Incl. Mirrors
2081 mm
1411 mm
Height
1365 mm
2945
5027
2855
4894
5027 mm
Length
4894 mm
2945 mm
Wheelbase
2855 mm
Vehicle Weight
Mercedes S 500 Cabriolet
BMW 640d Cabrio
2115 kg
Kerb Weight
2005 kg
2590 kg
Gross Vehicle
Weight
Weight
2440 kg

Weight Difference:
110 kg
5.2 %

General
Mercedes S 500 Cabriolet
BMW 640d Cabrio
A217
Generation
F12
Convertible
Car Body Style
Convertible
Unleaded (95 RON)
Fuel Type
Diesel

Rear-wheel drive
Drive
Permanent all-wheel drive

9-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 500 Cabriolet
BMW 640d Cabrio
V8 petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Mercedes-Benz M 278
Engine Series
BMW N57
M 278.929
Engine Code
N57-D30


4
Valves
4
8
Cylinders
6
4663 CC
Engine Capacity
2993 CC
449 bhp
at 5250 rpm
Power
309 bhp
at 4400 rpm
Mercedes S 500 Cabriolet
449 bhp
309 bhp
BMW 640d Cabrio
700 NM
at 1800 rpm
Max. Torque
630 NM
at 1500 rpm
Mercedes S 500 Cabriolet
700 NM
630 NM
BMW 640d Cabrio
Performance
Mercedes S 500 Cabriolet
BMW 640d Cabrio
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
64 m
0.000 sec

Mercedes S 500 Cabriolet
62 mph
62
mph
mph
74 m
0.000 sec

BMW 640d Cabrio
▶ REPLAY
4.71 kg/bhp
Weight-to-Power Ratio
6.49 kg/bhp
Mercedes S 500 Cabriolet
4.71 kg/bhp
6.49 kg/bhp
BMW 640d Cabrio
Fuel Economy / Emissions
Mercedes S 500 Cabriolet
BMW 640d Cabrio
Fuel Economy
33 mpg
combined
49 mpg
Mercedes S 500 Cabriolet
33 mpg
49 mpg
BMW 640d Cabrio
24 mpg
city
42 mpg
42 mpg
motorway
No data
80 L
Fuel Tank Capacity
70 L
585 mi
Range
750 mi
Mercedes S 500 Cabriolet
585 mi
750 mi
BMW 640d Cabrio
Environmental Impact
161.1 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).
119.3 kWh
Mercedes S 500 Cabriolet
161.1 kWh
119.3 kWh
BMW 640d Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
199 g/km (NEFZ)
CO2 Emissions
154 g/km (NEFZ)
Practical Convenience
Mercedes S 500 Cabriolet
BMW 640d Cabrio
2
Doors
2
4
No. of Seats
4
475 kg
Maximum Payload
435 kg
350 L
Boot Capacity
350 L








No data
Boot Capacity (Seats Down)
No data