The Comparative Analysis :
Mercedes S 450 CDI long 7G-TRONIC (09 - 10) vs. BMW 740i Steptronic (15 - 18)
€ 101,000

€ 94,200

€ 101,000
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
The dimensions of these vehicles differ slightly. The Mercedes S 450 CDI long is 5 inches longer, 1.2 inches narrower and 0.3 inches taller than the BMW 740i.
Mercedes S 450 CDI long
BMW 740i
58.5
73.7
83.5
58.2
74.9
85.4
73.7 in
Width
74.9 in
83.5 in
Width Incl. Mirrors
85.4 in
58.5 in
Height
58.2 in
124.6
205.7
120.9
200.7
205.7 in
Length
200.7 in
124.6 in
Wheelbase
120.9 in
Vehicle Weight
Mercedes S 450 CDI long
BMW 740i
4740 lb
Curb Weight
3968 lb
5952 lb
Gross Vehicle
Weight
Weight
5291 lb

Weight Difference:
772 lb
16.29 %

General
Mercedes S 450 CDI long
BMW 740i
W221
Generation
G11
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 450 CDI long
BMW 740i
V8 diesel engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
Mercedes-Benz OM 629
Engine Series
BMW B58
OM 629.911
Engine Code
B58-B30


4
Valves
4
8
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
316 hp
at 3600 rpm
Power
322 hp
at 5500 rpm
Mercedes S 450 CDI long
316 hp
322 hp
BMW 740i
538 lb‑ft
at 2200 rpm
Max. Torque
332 lb‑ft
at 1380 rpm
Mercedes S 450 CDI long
538 lb‑ft
332 lb‑ft
BMW 740i
Performance
Mercedes S 450 CDI long
BMW 740i
155 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.5 sec
62 mph
62
mph
mph
302 ft
0.000 sec

Mercedes S 450 CDI long
62 mph
62
mph
mph
249 ft
0.000 sec

BMW 740i
▶ REPLAY
15 lb/hp
Weight-to-Power Ratio
12.32 lb/hp
Mercedes S 450 CDI long
15 lb/hp
12.32 lb/hp
BMW 740i
Fuel Economy / Emissions
Mercedes S 450 CDI long
BMW 740i
Fuel Economy
26 mpg
combined
35 mpg
Mercedes S 450 CDI long
26 mpg
35 mpg
BMW 740i
18 mpg
city
25 mpg
34 mpg
highway
No data
23.8 gal
Fuel Tank Capacity
20.6 gal
615 mi
Range
713 mi
Mercedes S 450 CDI long
615 mi
713 mi
BMW 740i
Environmental Impact
187.2 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).
128.7 kWh
Mercedes S 450 CDI long
187.2 kWh
128.7 kWh
BMW 740i
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
386 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Mercedes S 450 CDI long
BMW 740i
4
Doors
4
5
No. of Seats
5
1213 lb
Maximum Payload
1323 lb
15.9 cu ft
Trunk Volume
14.6 cu ft











No data
Cargo Volume (Seats Down)
No data