The Comparative Analysis :

BMW 840i Convertible xDrive Steptronic (19 - ..) vs. Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)

€ 105,800
BMW 840i Convertible xDrive Steptronic (19 - ..) BMW 840i Cabrio
€ 258,900
 Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19) Mercedes S 65 AMG Convertible
€ 105,800
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 840i Cabrio is considerably smaller in every dimension. It's 8.2 inches shorter, 0.4 inches narrower and 3.5 inches lower than the Mercedes S 65 AMG Convertible.
BMW 840i Cabrio
Mercedes S 65 AMG Convertible
52.7
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
74.9
84.1
56.2
Blueprint Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)
75.3
83
74.9 in
Width
75.3 in
84.1 in
Width Incl. Mirrors
83 in
52.7 in
Height
56.2 in
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
111.1
190.7
Blueprint Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)
115.9
198.9
190.7 in
Length
198.9 in
111.1 in
Wheelbase
115.9 in

Vehicle Weight

BMW 840i Cabrio
Mercedes S 65 AMG Convertible
4310 lb
Curb Weight
4971 lb
5291 lb
Gross Vehicle
Weight
5787 lb
BMW 840i Convertible xDrive Steptronic (19 - ..)
Weight Difference:
661 lb
13.3 %
Mercedes S 65 AMG Convertible SPEEDSHIFT PLUS 7G-TRONIC (18 - 19)

General

BMW 840i Cabrio
Mercedes S 65 AMG Convertible
G14
Generation
A217
Convertible
Car Body Style
Convertible
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW 840i Cabrio
Mercedes S 65 AMG Convertible
Straight-six gasoline engine with tur­bo­charger
Engine Type
V12 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B58
Engine Series
Mercedes-Benz M 279
B58-B30
Engine Code
M 279.980
4
Valves
4
6
Cylinders
12
3 L / 147 cu in
Displacement
6 L / 294 cu in
335 hp
at 5000 rpm
Power
621 hp
at 4800 rpm
BMW 840i Cabrio
335 hp
621 hp
Mercedes S 65 AMG Convertible
369 lb‑ft
at 1600 rpm
Max. Torque
738 lb‑ft
at 2300 rpm
BMW 840i Cabrio
369 lb‑ft
738 lb‑ft
Mercedes S 65 AMG Convertible

Performance

BMW 840i Cabrio
Mercedes S 65 AMG Convertible
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.1 sec
62 mph 62
mph

223 ft
0.000 sec

BMW 840i Cabrio

62 mph 62
mph

187 ft
0.000 sec

Mercedes S 65 AMG Convertible

▶ REPLAY
12.87 lb/hp
Weight-to-Power Ratio
8 lb/hp
BMW 840i Cabrio
12.87 lb/hp
8 lb/hp
Mercedes S 65 AMG Convertible

Fuel Economy / Emissions

BMW 840i Cabrio
Mercedes S 65 AMG Convertible
Fuel Economy
31 mpg
combined
17 mpg
BMW 840i Cabrio
31 mpg
17 mpg
Mercedes S 65 AMG Convertible
24 mpg
city
12 mpg
No data
highway
22 mpg
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
549 mi
Range
350 mi
BMW 840i Cabrio
549 mi
350 mi
Mercedes S 65 AMG Convertible
Environmental Impact
145.8 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 840i Cabrio
145.8 kWh
269.1 kWh
Mercedes S 65 AMG Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6
330 g/mi (WLTP)
CO2 Emissions
555 g/mi (WLTP)

Practical Convenience

BMW 840i Cabrio
Mercedes S 65 AMG Convertible
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
816 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data