The Comparative Analysis :
BMW 840i Gran Coupé xDrive Steptronic (19 - ..) vs. Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)
€ 94,800

€ 102,800

€ 94,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 102,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The BMW 840i Gran Coupé is 5 cm longer, 3.3 cm wider and 0.7 cm lower than the Mercedes S 450 Coupé.
BMW 840i Gran Coupé
Mercedes S 450 Coupé
1407
1932
2137
1414
1899
2108
1932 mm
Width
1899 mm
2137 mm
Width Incl. Mirrors
2108 mm
1407 mm
Height
1414 mm
3023
5082
2945
5032
5082 mm
Length
5032 mm
3023 mm
Wheelbase
2945 mm
Vehicle Weight
BMW 840i Gran Coupé
Mercedes S 450 Coupé
1930 kg
Kerb Weight
2055 kg
2480 kg
Gross Vehicle
Weight
Weight
2555 kg

Weight Difference:
125 kg
6.08 %

General
BMW 840i Gran Coupé
Mercedes S 450 Coupé
G16
Generation
C217
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW 840i Gran Coupé
Mercedes S 450 Coupé
Straight-six petrol engine with turbocharger
Engine Type
V6 petrol engine with two turbochargers (biturbo)
BMW B58
Engine Series
Mercedes-Benz M 276
B58-B30
Engine Code
M 276.824


4
Valves
4
6
Cylinders
6
2998 CC
Engine Capacity
2996 CC
335 bhp
at 5000 rpm
Power
362 bhp
at 5250 rpm
BMW 840i Gran Coupé
335 bhp
362 bhp
Mercedes S 450 Coupé
500 NM
at 1600 rpm
Max. Torque
500 NM
at 1800 rpm
BMW 840i Gran Coupé
500 NM
500 NM
Mercedes S 450 Coupé
Performance
BMW 840i Gran Coupé
Mercedes S 450 Coupé
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
68 m
0.000 sec

BMW 840i Gran Coupé
62 mph
62
mph
mph
76 m
0.000 sec

Mercedes S 450 Coupé
▶ REPLAY
5.76 kg/bhp
Weight-to-Power Ratio
5.68 kg/bhp
BMW 840i Gran Coupé
5.76 kg/bhp
5.68 kg/bhp
Mercedes S 450 Coupé
Fuel Economy / Emissions
BMW 840i Gran Coupé
Mercedes S 450 Coupé
Fuel Economy
38 mpg
combined
30 mpg
BMW 840i Gran Coupé
38 mpg
30 mpg
Mercedes S 450 Coupé
30 mpg
city
21 mpg
No data
motorway
39 mpg
68 L
Fuel Tank Capacity
80 L
564 mi
Range
523 mi
BMW 840i Gran Coupé
564 mi
523 mi
Mercedes S 450 Coupé
Environmental Impact
142.1 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).
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).
179.9 kWh
BMW 840i Gran Coupé
142.1 kWh
179.9 kWh
Mercedes S 450 Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6d-TEMP
203 g/km (WLTP)
CO2 Emissions
231 g/km (WLTP)
Practical Convenience
BMW 840i Gran Coupé
Mercedes S 450 Coupé
4
Doors
2
5
No. of Seats
4
550 kg
Maximum Payload
500 kg
440 L
Boot Capacity
400 L








No data
Boot Capacity (Seats Down)
No data