The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. BMW 740Li Automatic (08 - 12)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 85,200
 BMW 740Li Automatic (08 - 12) BMW 740Li
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,200

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The Mercedes S 420 CDI long is a bit smaller in every dimension. It's 0.2 cm shorter, 3.1 cm narrower and 0.5 cm lower than the BMW 740Li.
Mercedes S 420 CDI long
BMW 740Li
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1478
Blueprint BMW 740Li Automatic (08 - 12)
1902
2134
1871 mm
Width
1902 mm
2120 mm
Width Incl. Mirrors
2134 mm
1473 mm
Height
1478 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint BMW 740Li Automatic (08 - 12)
3210
5212
5210 mm
Length
5212 mm
3165 mm
Wheelbase
3210 mm

Vehicle Weight

Mercedes S 420 CDI long
BMW 740Li
2140 kg
Kerb Weight
1970 kg
2660 kg
Gross Vehicle
Weight
2525 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
170 kg
7.94 %
BMW 740Li Automatic (08 - 12)

General

Mercedes S 420 CDI long
BMW 740Li
W221
Generation
F02
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
7-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

Mercedes S 420 CDI long
BMW 740Li
V8 diesel engine with tur­bo­charger
Engine Type
Straight-six petrol engine with two tur­bo­chargers (bi­turbo)
Mercedes-Benz OM 629
Engine Series
BMW N54
OM 629.911
Engine Code
N54-B30
4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2979 CC
316 bhp
at 3600 rpm
Power
322 bhp
at 5800 rpm
Mercedes S 420 CDI long
316 bhp
322 bhp
BMW 740Li
730 NM
at 2200 rpm
Max. Torque
450 NM
at 1500 rpm
Mercedes S 420 CDI long
730 NM
450 NM
BMW 740Li

Performance

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

83 m
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

83 m
0.000 sec

BMW 740Li

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

Fuel Economy / Emissions

Mercedes S 420 CDI long
BMW 740Li
Fuel Economy
30 mpg
combined
28 mpg
Mercedes S 420 CDI long
30 mpg
28 mpg
BMW 740Li
22 mpg
city
20 mpg
39 mpg
motorway
No data
Kraftstoffanzeige
90 L
Fuel Tank Capacity
82 L
Kraftstoffanzeige
595 mi
Range
510 mi
Mercedes S 420 CDI long
595 mi
510 mi
BMW 740Li
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).
189.4 kWh
Mercedes S 420 CDI long
193.4 kWh
189.4 kWh
BMW 740Li
Euro 4 III
Emission Standard
Euro 5
247 g/km (NEFZ)
CO2 Emissions
235 g/km (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
BMW 740Li
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