The Comparative Analysis :

BMW 840i Convertible xDrive Steptronic (19 - ..) vs. Mercedes S 500 Convertible 9G-TRONIC (16 - 17)

€ 105,800
BMW 840i Convertible xDrive Steptronic (19 - ..) BMW 840i Cabrio
€ 140,500
 Mercedes S 500 Convertible 9G-TRONIC (16 - 17) Mercedes S 500 Convertible
€ 105,800
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 dimensions of these vehicles differ considerably. The BMW 840i Cabrio is 7.2 inches shorter, 0.1 inches wider and 2.8 inches lower than the Mercedes S 500 Convertible.
BMW 840i Cabrio
Mercedes S 500 Convertible
52.7
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
74.9
84.1
55.6
Blueprint Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
74.8
83
74.9 in
Width
74.8 in
84.1 in
Width Incl. Mirrors
83 in
52.7 in
Height
55.6 in
Blueprint BMW 840i Convertible xDrive Steptronic (19 - ..)
111.1
190.7
Blueprint Mercedes S 500 Convertible 9G-TRONIC (16 - 17)
115.9
197.9
190.7 in
Length
197.9 in
111.1 in
Wheelbase
115.9 in

Vehicle Weight

BMW 840i Cabrio
Mercedes S 500 Convertible
4310 lb
Curb Weight
4663 lb
5291 lb
Gross Vehicle
Weight
5710 lb
BMW 840i Convertible xDrive Steptronic (19 - ..)
Weight Difference:
353 lb
7.57 %
Mercedes S 500 Convertible 9G-TRONIC (16 - 17)

General

BMW 840i Cabrio
Mercedes S 500 Convertible
G14
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 840i Cabrio
Mercedes S 500 Convertible
Straight-six gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B58
Engine Series
Mercedes-Benz M 278
B58-B30
Engine Code
M 278.929
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
335 hp
at 5000 rpm
Power
449 hp
at 5250 rpm
BMW 840i Cabrio
335 hp
449 hp
Mercedes S 500 Convertible
369 lb‑ft
at 1600 rpm
Max. Torque
516 lb‑ft
at 1800 rpm
BMW 840i Cabrio
369 lb‑ft
516 lb‑ft
Mercedes S 500 Convertible

Performance

BMW 840i Cabrio
Mercedes S 500 Convertible
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

223 ft
0.000 sec

BMW 840i Cabrio

62 mph 62
mph

210 ft
0.000 sec

Mercedes S 500 Convertible

▶ REPLAY
12.87 lb/hp
Weight-to-Power Ratio
10.39 lb/hp
BMW 840i Cabrio
12.87 lb/hp
10.39 lb/hp
Mercedes S 500 Convertible

Fuel Economy / Emissions

BMW 840i Cabrio
Mercedes S 500 Convertible
Fuel Economy
31 mpg
combined
28 mpg
BMW 840i Cabrio
31 mpg
28 mpg
Mercedes S 500 Convertible
24 mpg
city
20 mpg
No data
highway
35 mpg
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
21.1 gal
Kraftstoffanzeige
549 mi
Range
585 mi
BMW 840i Cabrio
549 mi
585 mi
Mercedes S 500 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).
161.1 kWh
BMW 840i Cabrio
145.8 kWh
161.1 kWh
Mercedes S 500 Convertible
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
330 g/mi (WLTP)
CO2 Emissions
320 g/mi (NEFZ)

Practical Convenience

BMW 840i Cabrio
Mercedes S 500 Convertible
2
Doors
2
4
No. of Seats
4
981 lb
Maximum Payload
1047 lb
9.9 cu ft
Trunk Volume
9.9 cu ft
No data
Cargo Volume (Seats Down)
No data