The Comparative Analysis :
BMW 640d Convertible xDrive Steptronic (12 - 14) vs. Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17)
€ 90,800

€ 190,000

€ 90,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 190,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640d Cabrio is considerably smaller in every dimension. It's 5.9 inches shorter, 0.7 inches narrower and 2.2 inches lower than the Mercedes S 63 AMG Convertible.
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
53.7
74.6
81.9
56
75.3
83
74.6 in
Width
75.3 in
81.9 in
Width Incl. Mirrors
83 in
53.7 in
Height
56 in
112.4
192.7
115.9
198.6
192.7 in
Length
198.6 in
112.4 in
Wheelbase
115.9 in
Vehicle Weight
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
4420 lb
Curb Weight
4817 lb
5379 lb
Gross Vehicle
Weight
Weight
5809 lb

Weight Difference:
397 lb
8.24 %

General
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
F12
Generation
A217
Convertible
Car Body Style
Convertible
Diesel
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
BMW N57
Engine Series
Mercedes-Benz M 157
N57-D30
Engine Code
M 157.985


4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
5.5 L / 269 cu in
309 hp
at 4400 rpm
Power
577 hp
at 5500 rpm
BMW 640d Cabrio
309 hp
577 hp
Mercedes S 63 AMG Convertible
465 lb‑ft
at 1500 rpm
Max. Torque
664 lb‑ft
at 2250 rpm
BMW 640d Cabrio
465 lb‑ft
664 lb‑ft
Mercedes S 63 AMG Convertible
Performance
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
246 ft
0.000 sec

BMW 640d Cabrio
62 mph
62
mph
mph
177 ft
0.000 sec

Mercedes S 63 AMG Convertible
▶ REPLAY
14.3 lb/hp
Weight-to-Power Ratio
8.35 lb/hp
BMW 640d Cabrio
14.3 lb/hp
8.35 lb/hp
Mercedes S 63 AMG Convertible
Fuel Economy / Emissions
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
Fuel Economy
40 mpg
combined
23 mpg
BMW 640d Cabrio
40 mpg
23 mpg
Mercedes S 63 AMG Convertible
33 mpg
city
16 mpg
No data
highway
29 mpg
18.5 gal
Fuel Tank Capacity
21.1 gal
737 mi
Range
478 mi
BMW 640d Cabrio
737 mi
478 mi
Mercedes S 63 AMG Convertible
Environmental Impact
121.3 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).
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).
197 kWh
BMW 640d Cabrio
121.3 kWh
197 kWh
Mercedes S 63 AMG Convertible
Euro 5
Emission Standard
Euro 6b (NEFZ)
248 g/mi (NEFZ)
CO2 Emissions
393 g/mi (NEFZ)
Practical Convenience
BMW 640d Cabrio
Mercedes S 63 AMG Convertible
2
Doors
2
4
No. of Seats
4
959 lb
Maximum Payload
992 lb
9.9 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data