The Comparative Analysis :
BMW 740d xDrive Steptronic (12 - 15) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 88,500
€ 91,100
€ 88,500
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
Тhere is barely any difference in dimensions between the two vehicles. Both cars are the same length, but the BMW 740d is 1.2 inches wider and 0.1 inches lower.
BMW 740d
Mercedes S 420 CDI
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 740d
Mercedes S 420 CDI
4442 lb
Curb Weight
4608 lb
5710 lb
Gross Vehicle
Weight
Weight
5820 lb
Weight Difference:
165 lb
3.58 %
General
BMW 740d
Mercedes S 420 CDI
F01
Generation
W221
Sedan
Car Body Style
Sedan
Diesel
Fuel Type
Diesel
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW 740d
Mercedes S 420 CDI
Straight-six diesel engine with two turbochargers (biturbo)
Engine Type
V8 diesel engine with turbocharger
BMW N57
Engine Series
Mercedes-Benz OM 629
N57-D30
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4 L / 196 cu in
309 hp
at 4300 rpm
Power
316 hp
at 3600 rpm
BMW 740d
309 hp
316 hp
Mercedes S 420 CDI
465 lb‑ft
at 1500 rpm
Max. Torque
538 lb‑ft
at 2200 rpm
BMW 740d
465 lb‑ft
538 lb‑ft
Mercedes S 420 CDI
Performance
BMW 740d
Mercedes S 420 CDI
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
246 ft
0.000 sec
BMW 740d
62 mph
62
mph
mph
272 ft
0.000 sec
Mercedes S 420 CDI
▶ REPLAY
14.38 lb/hp
Weight-to-Power Ratio
14.58 lb/hp
BMW 740d
14.38 lb/hp
14.58 lb/hp
Mercedes S 420 CDI
Fuel Economy / Emissions
BMW 740d
Mercedes S 420 CDI
Fuel Economy
39 mpg
combined
25 mpg
BMW 740d
39 mpg
25 mpg
Mercedes S 420 CDI
32 mpg
city
18 mpg
No data
highway
33 mpg
21.1 gal
Fuel Tank Capacity
23.8 gal
828 mi
Range
595 mi
BMW 740d
828 mi
595 mi
Mercedes S 420 CDI
Environmental Impact
123.4 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 740d
123.4 kWh
193.4 kWh
Mercedes S 420 CDI
Euro 5
Emission Standard
Euro 4 III
256 g/mi (NEFZ)
CO2 Emissions
398 g/mi (NEFZ)
Practical Convenience
BMW 740d
Mercedes S 420 CDI
4
Doors
4
5
No. of Seats
5
1268 lb
Maximum Payload
1213 lb
14.2 cu ft
Trunk Volume
15.9 cu ft
No data
Cargo Volume (Seats Down)
No data
