The Comparative Analysis :
Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..) vs. BMW 640i Gran Coupé xDrive Steptronic (15 - 18)
€ 102,800

€ 88,300

€ 102,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 450 Coupé is a little bigger in every dimension. It's 2.5 cm longer, 0.5 cm wider and 2.2 cm taller than the BMW 640i Gran Coupé.
Mercedes S 450 Coupé
BMW 640i Gran Coupé
1414
1899
2108
1392
1894
2081
1899 mm
Width
1894 mm
2108 mm
Width Incl. Mirrors
2081 mm
1414 mm
Height
1392 mm
2945
5032
2968
5007
5032 mm
Length
5007 mm
2945 mm
Wheelbase
2968 mm
Vehicle Weight
Mercedes S 450 Coupé
BMW 640i Gran Coupé
2055 kg
Kerb Weight
1900 kg
2555 kg
Gross Vehicle
Weight
Weight
2430 kg

Weight Difference:
155 kg
7.54 %

General
Mercedes S 450 Coupé
BMW 640i Gran Coupé
C217
Generation
F06
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Permanent all-wheel drive
Drive
Permanent all-wheel drive

9-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 Coupé
BMW 640i Gran Coupé
V6 petrol engine with two turbochargers (biturbo)
Engine Type
Straight-six petrol engine with turbocharger
Mercedes-Benz M 276
Engine Series
BMW N55
M 276.824
Engine Code
N55-B30


4
Valves
4
6
Cylinders
6
2996 CC
Engine Capacity
2979 CC
362 bhp
at 5250 rpm
Power
316 bhp
at 5800 rpm
Mercedes S 450 Coupé
362 bhp
316 bhp
BMW 640i Gran Coupé
500 NM
at 1800 rpm
Max. Torque
450 NM
at 1300 rpm
Mercedes S 450 Coupé
500 NM
450 NM
BMW 640i Gran Coupé
Performance
Mercedes S 450 Coupé
BMW 640i Gran Coupé
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
76 m
0.000 sec

Mercedes S 450 Coupé
62 mph
62
mph
mph
74 m
0.000 sec

BMW 640i Gran Coupé
▶ REPLAY
5.68 kg/bhp
Weight-to-Power Ratio
6.01 kg/bhp
Mercedes S 450 Coupé
5.68 kg/bhp
6.01 kg/bhp
BMW 640i Gran Coupé
Fuel Economy / Emissions
Mercedes S 450 Coupé
BMW 640i Gran Coupé
Fuel Economy
30 mpg
combined
35 mpg
Mercedes S 450 Coupé
30 mpg
35 mpg
BMW 640i Gran Coupé
21 mpg
city
25 mpg
39 mpg
motorway
No data
80 L
Fuel Tank Capacity
70 L
523 mi
Range
537 mi
Mercedes S 450 Coupé
523 mi
537 mi
BMW 640i Gran Coupé
Environmental Impact
179.9 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).
153.5 kWh
Mercedes S 450 Coupé
179.9 kWh
153.5 kWh
BMW 640i Gran Coupé
Euro 6d-TEMP
Emission Standard
Euro 6b (NEFZ)
231 g/km (WLTP)
CO2 Emissions
188 g/km (NEFZ)
Practical Convenience
Mercedes S 450 Coupé
BMW 640i Gran Coupé
2
Doors
4
4
No. of Seats
5
500 kg
Maximum Payload
530 kg
400 L
Boot Capacity
460 L









No data
Boot Capacity (Seats Down)
No data