The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. BMW 740d Automatic (09 - 12)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 81,400
 BMW 740d Automatic (09 - 12) BMW 740d
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 81,400

ⓘ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 420 CDI long is 13.8 cm longer, 3.1 cm narrower and 0.6 cm lower than the BMW 740d.
Mercedes S 420 CDI long
BMW 740d
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1479
Blueprint BMW 740d Automatic (09 - 12)
1902
2134
1871 mm
Width
1902 mm
2120 mm
Width Incl. Mirrors
2134 mm
1473 mm
Height
1479 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint BMW 740d Automatic (09 - 12)
3070
5072
5210 mm
Length
5072 mm
3165 mm
Wheelbase
3070 mm

Vehicle Weight

Mercedes S 420 CDI long
BMW 740d
2140 kg
Kerb Weight
1950 kg
2660 kg
Gross Vehicle
Weight
2505 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
190 kg
8.88 %
BMW 740d Automatic (09 - 12)

General

Mercedes S 420 CDI long
BMW 740d
W221
Generation
F01
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel
Rear-wheel drive
Drive
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

Mercedes S 420 CDI long
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
302 bhp
at 4400 rpm
Mercedes S 420 CDI long
316 bhp
302 bhp
BMW 740d
730 NM
at 2200 rpm
Max. Torque
600 NM
at 1500 rpm
Mercedes S 420 CDI long
730 NM
600 NM
BMW 740d

Performance

Mercedes S 420 CDI long
BMW 740d
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
6.3 sec
62 mph 62
mph

83 m
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

88 m
0.000 sec

BMW 740d

▶ REPLAY
6.77 kg/bhp
Weight-to-Power Ratio
6.46 kg/bhp
Mercedes S 420 CDI long
6.77 kg/bhp
6.46 kg/bhp
BMW 740d

Fuel Economy / Emissions

Mercedes S 420 CDI long
BMW 740d
Fuel Economy
30 mpg
combined
41 mpg
Mercedes S 420 CDI long
30 mpg
41 mpg
BMW 740d
22 mpg
city
31 mpg
39 mpg
motorway
No data
Kraftstoffanzeige
90 L
Fuel Tank Capacity
80 L
Kraftstoffanzeige
595 mi
Range
720 mi
Mercedes S 420 CDI long
595 mi
720 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).
141.9 kWh
Mercedes S 420 CDI long
193.4 kWh
141.9 kWh
BMW 740d
Euro 4 III
Emission Standard
Euro 5
247 g/km (NEFZ)
CO2 Emissions
181 g/km (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
BMW 740d
4
Doors
4
5
No. of Seats
5
520 kg
Maximum Payload
555 kg
560 L
Boot Capacity
500 L
No data
Boot Capacity (Seats Down)
No data