The Comparative Analysis :
BMW 750i xDrive Automatic (09 - 12) vs. Mercedes S 450 7G-TRONIC (06 - 09)
€ 98,800

€ 83,700

€ 98,800
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. The BMW 750i is just 0.3 inches shorter, 1.2 inches wider and 0.2 inches taller than the Mercedes S 450.
BMW 750i
Mercedes S 450
58.2
74.9
84
58
73.7
83.5
74.9 in
Width
73.7 in
84 in
Width Incl. Mirrors
83.5 in
58.2 in
Height
58 in
120.9
199.7
119.5
200
199.7 in
Length
200 in
120.9 in
Wheelbase
119.5 in
Vehicle Weight
BMW 750i
Mercedes S 450
4641 lb
Curb Weight
4277 lb
5864 lb
Gross Vehicle
Weight
Weight
5611 lb

Weight Difference:
364 lb
7.84 %

General
BMW 750i
Mercedes S 450
F01
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

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

6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 750i
Mercedes S 450
V8 gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N63
Engine Series
Mercedes-Benz M 273
N63-B44
Engine Code
M 273.922

4
Valves
4
8
Cylinders
8
4.4 L / 215 cu in
Displacement
4.7 L / 230 cu in
402 hp
at 5500 rpm
Power
335 hp
at 6000 rpm
BMW 750i
402 hp
335 hp
Mercedes S 450
443 lb‑ft
at 1750 rpm
Max. Torque
339 lb‑ft
at 2700 rpm
BMW 750i
443 lb‑ft
339 lb‑ft
Mercedes S 450
Performance
BMW 750i
Mercedes S 450
155 mph
Maximum Speed
155 mph
5.1 sec
Acceleration 0 to 62 mph
5.9 sec
62 mph
62
mph
mph
233 ft
0.000 sec

BMW 750i
62 mph
62
mph
mph
269 ft
0.000 sec

Mercedes S 450
▶ REPLAY
11.54 lb/hp
Weight-to-Power Ratio
12.77 lb/hp
BMW 750i
11.54 lb/hp
12.77 lb/hp
Mercedes S 450
Fuel Economy / Emissions
BMW 750i
Mercedes S 450
Fuel Economy
20 mpg
combined
21 mpg
BMW 750i
20 mpg
21 mpg
Mercedes S 450
14 mpg
city
14 mpg
No data
highway
29 mpg
21.7 gal
Fuel Tank Capacity
23.8 gal
428 mi
Range
500 mi
BMW 750i
428 mi
500 mi
Mercedes S 450
Environmental Impact
225.5 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 750i
225.5 kWh
212.1 kWh
Mercedes S 450
Euro 5
Emission Standard
Euro 4 III
447 g/mi (NEFZ)
CO2 Emissions
430 g/mi (NEFZ)
Practical Convenience
BMW 750i
Mercedes S 450
4
Doors
4
5
No. of Seats
5
1224 lb
Maximum Payload
1334 lb
14.2 cu ft
Trunk Volume
15.9 cu ft










No data
Cargo Volume (Seats Down)
No data