The Comparative Analysis :
Mercedes S 420 CDI 7G-TRONIC (06 - 09) vs. BMW 740d xDrive Steptronic (12 - 15)
€ 91,100

€ 88,500

€ 91,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 88,500
ⓘ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 Mercedes S 420 CDI is just 0.1 cm longer, 3.1 cm narrower and 0.2 cm taller than the BMW 740d.
Mercedes S 420 CDI
BMW 740d
1473
1871
2120
1471
1902
2134
1871 mm
Width
1902 mm
2120 mm
Width Incl. Mirrors
2134 mm
1473 mm
Height
1471 mm
3035
5080
3070
5079
5080 mm
Length
5079 mm
3035 mm
Wheelbase
3070 mm
Vehicle Weight
Mercedes S 420 CDI
BMW 740d
2090 kg
Kerb Weight
2015 kg
2640 kg
Gross Vehicle
Weight
Weight
2590 kg

Weight Difference:
75 kg
3.59 %

General
Mercedes S 420 CDI
BMW 740d
W221
Generation
F01
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel

Rear-wheel drive
Drive
Permanent all-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 420 CDI
BMW 740d
V8 diesel engine with turbocharger
Engine Type
Straight-six diesel engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
BMW N57
OM 629.911
Engine Code
N57-D30


4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2993 CC
316 bhp
at 3600 rpm
Power
309 bhp
at 4300 rpm
Mercedes S 420 CDI
316 bhp
309 bhp
BMW 740d
730 NM
at 2200 rpm
Max. Torque
630 NM
at 1500 rpm
Mercedes S 420 CDI
730 NM
630 NM
BMW 740d
Performance
Mercedes S 420 CDI
BMW 740d
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph
62
mph
mph
83 m
0.000 sec

Mercedes S 420 CDI
62 mph
62
mph
mph
75 m
0.000 sec

BMW 740d
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
6.52 kg/bhp
Mercedes S 420 CDI
6.61 kg/bhp
6.52 kg/bhp
BMW 740d
Fuel Economy / Emissions
Mercedes S 420 CDI
BMW 740d
Fuel Economy
30 mpg
combined
47 mpg
Mercedes S 420 CDI
30 mpg
47 mpg
BMW 740d
22 mpg
city
39 mpg
39 mpg
motorway
No data
90 L
Fuel Tank Capacity
80 L
595 mi
Range
828 mi
Mercedes S 420 CDI
595 mi
828 mi
BMW 740d
Environmental Impact
193.4 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).
123.4 kWh
Mercedes S 420 CDI
193.4 kWh
123.4 kWh
BMW 740d
Euro 4 III
Emission Standard
Euro 5
247 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Mercedes S 420 CDI
BMW 740d
4
Doors
4
5
No. of Seats
5
550 kg
Maximum Payload
575 kg
560 L
Boot Capacity
500 L










No data
Boot Capacity (Seats Down)
No data