The Comparative Analysis :
Mercedes S 63 AMG Cabriolet 4MATIC SPEEDSHIFT MCT (16 - 17) vs. BMW 840i Cabrio Steptronic (19 - ..)
€ 190,000

€ 102,500

€ 190,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 63 AMG Cabriolet is considerably bigger in every dimension. It's 20.1 cm longer, 1.1 cm wider and 8.3 cm taller than the BMW 840i Cabrio.
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
1422
1913
2108
1339
1902
2137
1913 mm
Width
1902 mm
2108 mm
Width Incl. Mirrors
2137 mm
1422 mm
Height
1339 mm
2945
5044
2822
4843
5044 mm
Length
4843 mm
2945 mm
Wheelbase
2822 mm
Vehicle Weight
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
2185 kg
Kerb Weight
1905 kg
2635 kg
Gross Vehicle
Weight
Weight
2340 kg

Weight Difference:
280 kg
12.81 %

General
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
A217
Generation
G14
Convertible
Car Body Style
Convertible
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
V8 petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
Mercedes-Benz M 157
Engine Series
BMW B58
M 157.985
Engine Code
B58-B30


4
Valves
4
8
Cylinders
6
5461 CC
Engine Capacity
2998 CC
577 bhp
at 5500 rpm
Power
335 bhp
at 5000 rpm
Mercedes S 63 AMG Cabriolet
577 bhp
335 bhp
BMW 840i Cabrio
900 NM
at 2250 rpm
Max. Torque
500 NM
at 1600 rpm
Mercedes S 63 AMG Cabriolet
900 NM
500 NM
BMW 840i Cabrio
Performance
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
155 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
54 m
0.000 sec

Mercedes S 63 AMG Cabriolet
62 mph
62
mph
mph
74 m
0.000 sec

BMW 840i Cabrio
▶ REPLAY
3.79 kg/bhp
Weight-to-Power Ratio
5.69 kg/bhp
Mercedes S 63 AMG Cabriolet
3.79 kg/bhp
5.69 kg/bhp
BMW 840i Cabrio
Fuel Economy / Emissions
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
Fuel Economy
27 mpg
combined
38 mpg
Mercedes S 63 AMG Cabriolet
27 mpg
38 mpg
BMW 840i Cabrio
20 mpg
city
31 mpg
34 mpg
motorway
No data
80 L
Fuel Tank Capacity
68 L
478 mi
Range
571 mi
Mercedes S 63 AMG Cabriolet
478 mi
571 mi
BMW 840i Cabrio
Environmental Impact
197 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).
140.2 kWh
Mercedes S 63 AMG Cabriolet
197 kWh
140.2 kWh
BMW 840i Cabrio
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
244 g/km (NEFZ)
CO2 Emissions
193 g/km (WLTP)
Practical Convenience
Mercedes S 63 AMG Cabriolet
BMW 840i Cabrio
2
Doors
2
4
No. of Seats
4
450 kg
Maximum Payload
435 kg
350 L
Boot Capacity
350 L








No data
Boot Capacity (Seats Down)
No data