The Comparative Analysis :
BMW 740i Steptronic (12 - 15) vs. Mercedes S 450 7G-TRONIC (06 - 09)
€ 83,900
€ 83,700
€ 83,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,700
ⓘ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. Both cars are the same length, but the BMW 740i is 1.2 inches wider and 0.1 inches lower.
BMW 740i
Mercedes S 450
57.9
74.9
84
58
73.7
83.5
74.9 in
Width
73.7 in
84 in
Width Incl. Mirrors
83.5 in
57.9 in
Height
58 in
120.9
200
119.5
200
200 in
Length
200 in
120.9 in
Wheelbase
119.5 in
Vehicle Weight
BMW 740i
Mercedes S 450
4189 lb
Curb Weight
4277 lb
5545 lb
Gross Vehicle
Weight
Weight
5611 lb
Weight Difference:
88 lb
2.06 %
General
BMW 740i
Mercedes S 450
F01
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 740i
Mercedes S 450
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N55
Engine Series
Mercedes-Benz M 273
N55-B30
Engine Code
M 273.922
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.7 L / 230 cu in
316 hp
at 5800 rpm
Power
335 hp
at 6000 rpm
BMW 740i
316 hp
335 hp
Mercedes S 450
332 lb‑ft
at 1300 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
BMW 740i
332 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
BMW 740i
Mercedes S 450
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
259 ft
0.000 sec
BMW 740i
62 mph
62
mph
mph
269 ft
0.000 sec
Mercedes S 450
▶ REPLAY
13.26 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
BMW 740i
13.26 lb/hp
12.77 lb/hp
Mercedes S 450
Fuel Economy / Emissions
BMW 740i
Mercedes S 450
Fuel Economy
30 mpg
combined
21 mpg
BMW 740i
30 mpg
21 mpg
Mercedes S 450
22 mpg
city
14 mpg
No data
highway
29 mpg
21.1 gal
Fuel Tank Capacity
23.8 gal
629 mi
Range
500 mi
BMW 740i
629 mi
500 mi
Mercedes S 450
Environmental Impact
149.7 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).
212.1 kWh
BMW 740i
149.7 kWh
212.1 kWh
Mercedes S 450
Euro 5
Emission Standard
Euro 4 III
296 g/mi (NEFZ)
CO2 Emissions
430 g/mi (NEFZ)
Practical Convenience
BMW 740i
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1356 lb
Maximum Payload
1334 lb
14.2 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
