The Comparative Analysis :

BMW 640i Convertible xDrive Automatic (13 - 13) vs. Mercedes S 500 Convertible 9G-TRONIC (16 - 17)

€ 87,300
BMW 640i Convertible xDrive Automatic (13 - 13) BMW 640i Cabrio
€ 140,500
 Mercedes S 500 Convertible 9G-TRONIC (16 - 17) Mercedes S 500 Convertible
€ 87,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 140,500

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 640i Cabrio is slightly smaller in every dimension. It's 5.2 inches shorter, 0.2 inches narrower and 1.8 inches lower than the Mercedes S 500 Convertible.
BMW 640i Cabrio
Mercedes S 500 Convertible
53.7
Blueprint BMW 640i Convertible xDrive Automatic (13 - 13)
74.6
81.9
55.6
Blueprint Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
74.8
83
74.6 in
Width
74.8 in
81.9 in
Width Incl. Mirrors
83 in
53.7 in
Height
55.6 in
Blueprint BMW 640i Convertible xDrive Automatic (13 - 13)
112.4
192.7
Blueprint Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
115.9
197.9
192.7 in
Length
197.9 in
112.4 in
Wheelbase
115.9 in

Vehicle Weight

BMW 640i Cabrio
Mercedes S 500 Convertible
4376 lb
Curb Weight
4663 lb
5291 lb
Gross Vehicle
Weight
5710 lb
BMW 640i Convertible xDrive Automatic (13 - 13)
Weight Difference:
287 lb
6.16 %
Mercedes S 500 Convertible 9G-TRONIC (16 - 17)

General

BMW 640i Cabrio
Mercedes S 500 Convertible
F12
Generation
A217
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
9-speed automatic transmission

Engine

BMW 640i Cabrio
Mercedes S 500 Convertible
Straight-six gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
Mercedes-Benz M 278
N55-B30
Engine Code
M 278.929
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
316 hp
at 5800 rpm
Power
449 hp
at 5250 rpm
BMW 640i Cabrio
316 hp
449 hp
Mercedes S 500 Convertible
332 lb‑ft
at 1300 rpm
Max. Torque
516 lb‑ft
at 1800 rpm
BMW 640i Cabrio
332 lb‑ft
516 lb‑ft
Mercedes S 500 Convertible

Performance

BMW 640i Cabrio
Mercedes S 500 Convertible
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Cabrio

62 mph 62
mph

210 ft
0.000 sec

Mercedes S 500 Convertible

▶ REPLAY
13.85 lb/hp
Weight-to-Power Ratio
10.39 lb/hp
BMW 640i Cabrio
13.85 lb/hp
10.39 lb/hp
Mercedes S 500 Convertible

Fuel Economy / Emissions

BMW 640i Cabrio
Mercedes S 500 Convertible
Fuel Economy
29 mpg
combined
28 mpg
BMW 640i Cabrio
29 mpg
28 mpg
Mercedes S 500 Convertible
21 mpg
city
20 mpg
No data
highway
35 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
531 mi
Range
585 mi
BMW 640i Cabrio
531 mi
585 mi
Mercedes S 500 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).
161.1 kWh
BMW 640i Cabrio
155.3 kWh
161.1 kWh
Mercedes S 500 Convertible
Euro 5
Emission Standard
Euro 6b (NEFZ)
309 g/mi (NEFZ)
CO2 Emissions
320 g/mi (NEFZ)

Practical Convenience

BMW 640i Cabrio
Mercedes S 500 Convertible
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
1047 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data