The Comparative Analysis :

BMW 640i Convertible Steptronic (13 - 14) vs. Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)

€ 83,900
BMW 640i Convertible Steptronic (13 - 14) BMW 640i Cabrio
€ 258,900
 Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19) Mercedes S 65 AMG Convertible
€ 83,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 258,900

ⓘ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 6.2 inches shorter, 0.7 inches narrower and 2.5 inches lower than the Mercedes S 65 AMG Convertible.
BMW 640i Cabrio
Mercedes S 65 AMG Convertible
53.7
Blueprint BMW 640i Convertible Steptronic (13 - 14)
74.6
81.9
56.2
Blueprint Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)
75.3
83
74.6 in
Width
75.3 in
81.9 in
Width Incl. Mirrors
83 in
53.7 in
Height
56.2 in
Blueprint BMW 640i Convertible Steptronic (13 - 14)
112.4
192.7
Blueprint Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)
115.9
198.9
192.7 in
Length
198.9 in
112.4 in
Wheelbase
115.9 in

Vehicle Weight

BMW 640i Cabrio
Mercedes S 65 AMG Convertible
4222 lb
Curb Weight
4971 lb
5049 lb
Gross Vehicle
Weight
5787 lb
BMW 640i Convertible Steptronic (13 - 14)
Weight Difference:
750 lb
15.09 %
Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)

General

BMW 640i Cabrio
Mercedes S 65 AMG Convertible
F12
Generation
A217
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW 640i Cabrio
Mercedes S 65 AMG Convertible
Straight-six gasoline engine with tur­bo­charger
Engine Type
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
Mercedes-Benz M 279
N55-B30
Engine Code
M 279.980
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
6 L / 294 cu in
316 hp
at 5800 rpm
Power
621 hp
at 4800 rpm
BMW 640i Cabrio
316 hp
621 hp
Mercedes S 65 AMG Convertible
332 lb‑ft
at 1300 rpm
Max. Torque
738 lb‑ft
at 2300 rpm
BMW 640i Cabrio
332 lb‑ft
738 lb‑ft
Mercedes S 65 AMG Convertible

Performance

BMW 640i Cabrio
Mercedes S 65 AMG Convertible
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph 62
mph

259 ft
0.000 sec

BMW 640i Cabrio

62 mph 62
mph

187 ft
0.000 sec

Mercedes S 65 AMG Convertible

▶ REPLAY
13.36 lb/hp
Weight-to-Power Ratio
8 lb/hp
BMW 640i Cabrio
13.36 lb/hp
8 lb/hp
Mercedes S 65 AMG Convertible

Fuel Economy / Emissions

BMW 640i Cabrio
Mercedes S 65 AMG Convertible
Fuel Economy
30 mpg
combined
17 mpg
BMW 640i Cabrio
30 mpg
17 mpg
Mercedes S 65 AMG Convertible
22 mpg
city
12 mpg
No data
highway
22 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
557 mi
Range
350 mi
BMW 640i Cabrio
557 mi
350 mi
Mercedes S 65 AMG Convertible
Environmental Impact
147.7 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).
269.1 kWh
BMW 640i Cabrio
147.7 kWh
269.1 kWh
Mercedes S 65 AMG Convertible
Euro 6b (NEFZ)
Emission Standard
Euro 6
291 g/mi (NEFZ)
CO2 Emissions
555 g/mi (WLTP)

Practical Convenience

BMW 640i Cabrio
Mercedes S 65 AMG Convertible
2
Doors
2
4
No. of Seats
4
827 lb
Maximum Payload
816 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data