The Comparative Analysis :
Mercedes S 400 Coupé 4MATIC 7G-TRONIC PLUS (15 - 17) vs. BMW 640i Gran Coupé xDrive Steptronic (15 - 18)
€ 100,600

€ 88,300

€ 100,600
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 400 Coupé is a bit bigger in every dimension. It's 0.8 inches longer, 0.2 inches wider and 0.7 inches taller than the BMW 640i Gran Coupé.
Mercedes S 400 Coupé
BMW 640i Gran Coupé
55.6
74.8
83
54.8
74.6
81.9
74.8 in
Width
74.6 in
83 in
Width Incl. Mirrors
81.9 in
55.6 in
Height
54.8 in
115.9
197.9
116.9
197.1
197.9 in
Length
197.1 in
115.9 in
Wheelbase
116.9 in
Vehicle Weight
Mercedes S 400 Coupé
BMW 640i Gran Coupé
4486 lb
Curb Weight
4189 lb
5600 lb
Gross Vehicle
Weight
Weight
5357 lb

Weight Difference:
298 lb
6.64 %

General
Mercedes S 400 Coupé
BMW 640i Gran Coupé
C217
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 400 Coupé
BMW 640i Gran Coupé
V6 gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with turbocharger
Mercedes-Benz M 276
Engine Series
BMW N55
M 276.824
Engine Code
N55-B30


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
362 hp
at 5500 rpm
Power
316 hp
at 5800 rpm
Mercedes S 400 Coupé
362 hp
316 hp
BMW 640i Gran Coupé
369 lb‑ft
at 1800 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Mercedes S 400 Coupé
369 lb‑ft
332 lb‑ft
BMW 640i Gran Coupé
Performance
Mercedes S 400 Coupé
BMW 640i Gran Coupé
155 mph
Maximum Speed
155 mph
5.6 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
256 ft
0.000 sec

Mercedes S 400 Coupé
62 mph
62
mph
mph
243 ft
0.000 sec

BMW 640i Gran Coupé
▶ REPLAY
12.39 lb/hp
Weight-to-Power Ratio
13.26 lb/hp
Mercedes S 400 Coupé
12.39 lb/hp
13.26 lb/hp
BMW 640i Gran Coupé
Fuel Economy / Emissions
Mercedes S 400 Coupé
BMW 640i Gran Coupé
Fuel Economy
28 mpg
combined
29 mpg
Mercedes S 400 Coupé
28 mpg
29 mpg
BMW 640i Gran Coupé
21 mpg
city
21 mpg
36 mpg
highway
No data
21.1 gal
Fuel Tank Capacity
18.5 gal
599 mi
Range
537 mi
Mercedes S 400 Coupé
599 mi
537 mi
BMW 640i Gran Coupé
Environmental Impact
157.2 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 400 Coupé
157.2 kWh
153.5 kWh
BMW 640i Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
311 g/mi (NEFZ)
CO2 Emissions
303 g/mi (NEFZ)
Practical Convenience
Mercedes S 400 Coupé
BMW 640i Gran Coupé
2
Doors
4
4
No. of Seats
5
1113 lb
Maximum Payload
1168 lb
11.3 cu ft
Trunk Volume
13 cu ft









No data
Cargo Volume (Seats Down)
No data