The Comparative Analysis :

BMW 640i Convertible xDrive Steptronic (15 - 18) vs. Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17)

€ 95,100
BMW 640i Convertible xDrive Steptronic (15 - 18) BMW 640i Cabrio
€ 190,000
 Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17) Mercedes S 63 AMG Convertible
€ 95,100
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 640i 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 640i Cabrio
Mercedes S 63 AMG Convertible
53.7
Blueprint BMW 640i Convertible xDrive Steptronic (15 - 18)
74.6
81.9
56
Blueprint Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17)
75.3
83
74.6 in
Width
75.3 in
81.9 in
Width Incl. Mirrors
83 in
53.7 in
Height
56 in
Blueprint BMW 640i Convertible xDrive Steptronic (15 - 18)
112.4
192.7
Blueprint Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17)
115.9
198.6
192.7 in
Length
198.6 in
112.4 in
Wheelbase
115.9 in

Vehicle Weight

BMW 640i Cabrio
Mercedes S 63 AMG Convertible
4332 lb
Curb Weight
4817 lb
5269 lb
Gross Vehicle
Weight
5809 lb
BMW 640i Convertible xDrive Steptronic (15 - 18)
Weight Difference:
485 lb
10.07 %
Mercedes S 63 AMG Convertible 4MATIC SPEEDSHIFT MCT (16 - 17)

General

BMW 640i Cabrio
Mercedes S 63 AMG Convertible
F12
Generation
A217
Convertible
Car Body Style
Convertible
Premium Unleaded
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 640i Cabrio
Mercedes S 63 AMG Convertible
Straight-six gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
Mercedes-Benz M 157
N55-B30
Engine Code
M 157.985
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
5.5 L / 269 cu in
316 hp
at 5800 rpm
Power
577 hp
at 5500 rpm
BMW 640i Cabrio
316 hp
577 hp
Mercedes S 63 AMG Convertible
332 lb‑ft
at 1300 rpm
Max. Torque
664 lb‑ft
at 2250 rpm
BMW 640i Cabrio
332 lb‑ft
664 lb‑ft
Mercedes S 63 AMG Convertible

Performance

BMW 640i 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

246 ft
0.000 sec

BMW 640i Cabrio

62 mph 62
mph

177 ft
0.000 sec

Mercedes S 63 AMG Convertible

▶ REPLAY
13.71 lb/hp
Weight-to-Power Ratio
8.35 lb/hp
BMW 640i Cabrio
13.71 lb/hp
8.35 lb/hp
Mercedes S 63 AMG Convertible

Fuel Economy / Emissions

BMW 640i Cabrio
Mercedes S 63 AMG Convertible
Fuel Economy
29 mpg
combined
23 mpg
BMW 640i Cabrio
29 mpg
23 mpg
Mercedes S 63 AMG Convertible
21 mpg
city
16 mpg
No data
highway
29 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
531 mi
Range
478 mi
BMW 640i Cabrio
531 mi
478 mi
Mercedes S 63 AMG Convertible
Environmental Impact
155.3 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).
197 kWh
BMW 640i Cabrio
155.3 kWh
197 kWh
Mercedes S 63 AMG Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
307 g/mi (NEFZ)
CO2 Emissions
393 g/mi (NEFZ)

Practical Convenience

BMW 640i Cabrio
Mercedes S 63 AMG Convertible
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
992 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data