The Comparative Analysis :
BMW 740Li Automatic (08 - 12) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 85,200
€ 91,100
€ 85,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 740Li is slightly bigger in every dimension. It's 5.2 inches longer, 1.2 inches wider and 0.2 inches taller than the Mercedes S 420 CDI.
BMW 740Li
Mercedes S 420 CDI
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
126.4
205.2
119.5
200
205.2 in
Length
200 in
126.4 in
Wheelbase
119.5 in
Vehicle Weight
BMW 740Li
Mercedes S 420 CDI
4343 lb
Curb Weight
4608 lb
5567 lb
Gross Vehicle
Weight
Weight
5820 lb
Weight Difference:
265 lb
5.75 %
General
BMW 740Li
Mercedes S 420 CDI
F02
Generation
W221
Sedan
Car Body Style
Sedan
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 740Li
Mercedes S 420 CDI
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
V8 diesel engine with turbocharger
BMW N54
Engine Series
Mercedes-Benz OM 629
N54-B30
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
322 hp
at 5800 rpm
Power
316 hp
at 3600 rpm
BMW 740Li
322 hp
316 hp
Mercedes S 420 CDI
332 lb‑ft
at 1500 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
BMW 740Li
332 lb‑ft
538 lb‑ft
Mercedes S 420 CDI
Performance
BMW 740Li
Mercedes S 420 CDI
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
272 ft
0.000 sec
BMW 740Li
62 mph
62
mph
mph
272 ft
0.000 sec
Mercedes S 420 CDI
▶ REPLAY
13.49 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
BMW 740Li
13.49 lb/hp
14.58 lb/hp
Mercedes S 420 CDI
Fuel Economy / Emissions
BMW 740Li
Mercedes S 420 CDI
Fuel Economy
24 mpg
combined
25 mpg
BMW 740Li
24 mpg
25 mpg
Mercedes S 420 CDI
17 mpg
city
18 mpg
No data
highway
33 mpg
21.7 gal
Fuel Tank Capacity
23.8 gal
510 mi
Range
595 mi
BMW 740Li
510 mi
595 mi
Mercedes S 420 CDI
Environmental Impact
189.4 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).
193.4 kWh
BMW 740Li
189.4 kWh
193.4 kWh
Mercedes S 420 CDI
Euro 5
Emission Standard
Euro 4 III
378 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
BMW 740Li
Mercedes S 420 CDI
4
Doors
4
5
No. of Seats
5
1224 lb
Maximum Payload
1213 lb
14.2 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
