The Comparative Analysis :
BMW 650i Convertible Automatic (12 - 13) vs. Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17)
€ 95,900

€ 190,000

€ 95,900
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 650i 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 650i 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 650i Cabrio
Mercedes S 63 AMG Convertible
4442 lb
Curb Weight
4817 lb
5269 lb
Gross Vehicle
Weight
Weight
5809 lb

Weight Difference:
375 lb
7.78 %

General
BMW 650i Cabrio
Mercedes S 63 AMG Convertible
F12
Generation
A217
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 650i Cabrio
Mercedes S 63 AMG Convertible
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
BMW N63
Engine Series
Mercedes-Benz M 157
N63-B44
Engine Code
M 157.985

4
Valves
4
8
Cylinders
8
4.4 L / 215 cu in
Displacement
5.5 L / 269 cu in
444 hp
at 5500 rpm
Power
577 hp
at 5500 rpm
BMW 650i Cabrio
444 hp
577 hp
Mercedes S 63 AMG Convertible
479 lb‑ft
at 2000 rpm
Max. Torque
664 lb‑ft
at 2250 rpm
BMW 650i Cabrio
479 lb‑ft
664 lb‑ft
Mercedes S 63 AMG Convertible
Performance
BMW 650i Cabrio
Mercedes S 63 AMG Convertible
155 mph
Maximum Speed
155 mph
5 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
226 ft
0.000 sec

BMW 650i Cabrio
62 mph
62
mph
mph
177 ft
0.000 sec

Mercedes S 63 AMG Convertible
▶ REPLAY
10 lb/hp
Weight-to-Power Ratio
8.35 lb/hp
BMW 650i Cabrio
10 lb/hp
8.35 lb/hp
Mercedes S 63 AMG Convertible
Fuel Economy / Emissions
BMW 650i Cabrio
Mercedes S 63 AMG Convertible
Fuel Economy
26 mpg
combined
23 mpg
BMW 650i Cabrio
26 mpg
23 mpg
Mercedes S 63 AMG Convertible
19 mpg
city
16 mpg
No data
highway
29 mpg
18.5 gal
Fuel Tank Capacity
21.1 gal
489 mi
Range
478 mi
BMW 650i Cabrio
489 mi
478 mi
Mercedes S 63 AMG Convertible
Environmental Impact
168.7 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 650i Cabrio
168.7 kWh
197 kWh
Mercedes S 63 AMG Convertible
Euro 5
Emission Standard
Euro 6b (NEFZ)
335 g/mi (NEFZ)
CO2 Emissions
393 g/mi (NEFZ)
Practical Convenience
BMW 650i Cabrio
Mercedes S 63 AMG Convertible
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
992 lb
9.9 cu ft
Trunk Volume
9.9 cu ft








No data
Cargo Volume (Seats Down)
No data