The Comparative Analysis :
Mercedes S 450 4MATIC 9G-TRONIC (17 - ..) vs. BMW 740i Steptronic (15 - 18)
€ 97,200
€ 94,200
€ 97,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 94,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
Тhere is barely any difference in dimensions between the two vehicles. The Mercedes S 450 is just 1.1 inches longer, 0.1 inches narrower and 0.7 inches taller than the BMW 740i.
Mercedes S 450
BMW 740i
58.9
74.8
83.9
58.2
74.9
85.4
74.8 in
Width
74.9 in
83.9 in
Width Incl. Mirrors
85.4 in
58.9 in
Height
58.2 in
119.5
201.8
120.9
200.7
201.8 in
Length
200.7 in
119.5 in
Wheelbase
120.9 in
Vehicle Weight
Mercedes S 450
BMW 740i
4542 lb
Curb Weight
3968 lb
6019 lb
Gross Vehicle
Weight
Weight
5291 lb
Weight Difference:
573 lb
12.62 %
General
Mercedes S 450
BMW 740i
W222/X222
Generation
G11
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

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

9-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450
BMW 740i
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Engine Type
Straight-six gasoline engine with turbocharger
Mercedes-Benz M 256
Engine Series
BMW B58
M 256.930
Engine Code
B58-B30


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
383 hp
at 5500 rpm
Power
322 hp
at 5500 rpm
Mercedes S 450
383 hp
322 hp
BMW 740i
369 lb‑ft
at 1600 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
Mercedes S 450
369 lb‑ft
332 lb‑ft
BMW 740i
Performance
Mercedes S 450
BMW 740i
155 mph
Maximum Speed
155 mph
4.9 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
223 ft
0.000 sec
Mercedes S 450
62 mph
62
mph
mph
249 ft
0.000 sec
BMW 740i
▶ REPLAY
11.86 lb/hp
Weight-to-Power Ratio
12.32 lb/hp
Mercedes S 450
11.86 lb/hp
12.32 lb/hp
BMW 740i
Fuel Economy / Emissions
Mercedes S 450
BMW 740i
Fuel Economy
29 mpg
combined
35 mpg
Mercedes S 450
29 mpg
35 mpg
BMW 740i
21 mpg
city
25 mpg
36 mpg
highway
No data
18.5 gal
Fuel Tank Capacity
20.6 gal
531 mi
Range
713 mi
Mercedes S 450
531 mi
713 mi
BMW 740i
Environmental Impact
155.3 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).
128.7 kWh
Mercedes S 450
155.3 kWh
128.7 kWh
BMW 740i
Euro 6
Emission Standard
Euro 6b (NEFZ)
314 g/mi (WLTP)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Mercedes S 450
BMW 740i
4
Doors
4
5
No. of Seats
5
1477 lb
Maximum Payload
1323 lb
15 cu ft
Trunk Volume
14.6 cu ft











No data
Cargo Volume (Seats Down)
No data

















