The Comparative Analysis :
BMW 640i Coupé Steptronic (15 - 17) vs. Mercedes S 450 Coupé 4MATIC 9G-TRONIC PLUS (18 - 18)
€ 81,900
€ 101,700
€ 81,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 101,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 640i Coupé is slightly smaller in every dimension. It's 5.4 inches shorter, 0.2 inches narrower and 1.8 inches lower than the Mercedes S 450 Coupé.
BMW 640i Coupé
Mercedes S 450 Coupé
53.9
74.6
81.9
55.7
74.8
83
74.6 in
Width
74.8 in
81.9 in
Width Incl. Mirrors
83 in
53.9 in
Height
55.7 in
112.4
192.7
115.9
198.1
192.7 in
Length
198.1 in
112.4 in
Wheelbase
115.9 in
Vehicle Weight
BMW 640i Coupé
Mercedes S 450 Coupé
3880 lb
Curb Weight
4519 lb
4872 lb
Gross Vehicle
Weight
Weight
5633 lb
Weight Difference:
639 lb
14.14 %
General
BMW 640i Coupé
Mercedes S 450 Coupé
F13
Generation
C217
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Permanent all-wheel drive (AWD)
8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW 640i Coupé
Mercedes S 450 Coupé
Straight-six gasoline engine with turbocharger
Engine Type
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
BMW N55
Engine Series
Mercedes-Benz M 276
N55-B30
Engine Code
M 276.824
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
383 hp
at 5500 rpm
BMW 640i Coupé
316 hp
383 hp
Mercedes S 450 Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
BMW 640i Coupé
332 lb‑ft
369 lb‑ft
Mercedes S 450 Coupé
Performance
BMW 640i Coupé
Mercedes S 450 Coupé
155 mph
Maximum Speed
155 mph
5.3 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
243 ft
0.000 sec
BMW 640i Coupé
62 mph
62
mph
mph
249 ft
0.000 sec
Mercedes S 450 Coupé
▶ REPLAY
12.28 lb/hp
Weight-to-Power Ratio
11.8 lb/hp
BMW 640i Coupé
12.28 lb/hp
11.8 lb/hp
Mercedes S 450 Coupé
Fuel Economy / Emissions
BMW 640i Coupé
Mercedes S 450 Coupé
Fuel Economy
31 mpg
combined
26 mpg
BMW 640i Coupé
31 mpg
26 mpg
Mercedes S 450 Coupé
22 mpg
city
19 mpg
No data
highway
34 mpg
18.5 gal
Fuel Tank Capacity
21.1 gal
572 mi
Range
559 mi
BMW 640i Coupé
572 mi
559 mi
Mercedes S 450 Coupé
Environmental Impact
144 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).
168.7 kWh
BMW 640i Coupé
144 kWh
168.7 kWh
Mercedes S 450 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
285 g/mi (NEFZ)
CO2 Emissions
328 g/mi (NEFZ)
Practical Convenience
BMW 640i Coupé
Mercedes S 450 Coupé
2
Doors
2
4
No. of Seats
4
992 lb
Maximum Payload
1113 lb
13 cu ft
Trunk Volume
11.3 cu ft
No data
Cargo Volume (Seats Down)
No data
