The Comparative Analysis :
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Audi A8 4.2 FSI quattro tiptronic (10 - 12)
€ 98,900
€ 91,100
€ 98,900
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 dimensions of these vehicles differ slightly. The Mercedes S 420 CDI long is 7.3 cm longer, 7.8 cm narrower and 1.3 cm taller than the Audi A8 4.2 FSI.
Mercedes S 420 CDI long
Audi A8 4.2 FSI
1473
1871
2120
1460
1949
2111
1871 mm
Width
1949 mm
2120 mm
Width Incl. Mirrors
2111 mm
1473 mm
Height
1460 mm
3165
5210
2992
5137
5210 mm
Length
5137 mm
3165 mm
Wheelbase
2992 mm
Vehicle Weight
Mercedes S 420 CDI long
Audi A8 4.2 FSI
2140 kg
Kerb Weight
1910 kg
2660 kg
Gross Vehicle
Weight
Weight
2525 kg
Weight Difference:
230 kg
10.75 %
General
Mercedes S 420 CDI long
Audi A8 4.2 FSI
W221
Generation
D4 (4H)
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Permanent all-wheel drive
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 420 CDI long
Audi A8 4.2 FSI
V8 diesel engine with turbocharger
Engine Type
V8 petrol engine (naturally aspirated engine)
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CDRA
4
Valves
4
8
Cylinders
8
3996 CC
Engine Capacity
4163 CC
316 bhp
at 3600 rpm
Power
366 bhp
at 6800 rpm
Mercedes S 420 CDI long
316 bhp
366 bhp
Audi A8 4.2 FSI
730 NM
at 2200 rpm
Max. Torque
445 NM
at 3500 rpm
Mercedes S 420 CDI long
730 NM
445 NM
Audi A8 4.2 FSI
Performance
Mercedes S 420 CDI long
Audi A8 4.2 FSI
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
83 m
0.000 sec
Mercedes S 420 CDI long
62 mph
62
mph
mph
79 m
0.000 sec
Audi A8 4.2 FSI
▶ REPLAY
6.77 kg/bhp
Weight-to-Power Ratio
5.22 kg/bhp
Mercedes S 420 CDI long
6.77 kg/bhp
5.22 kg/bhp
Audi A8 4.2 FSI
Fuel Economy / Emissions
Mercedes S 420 CDI long
Audi A8 4.2 FSI
Fuel Economy
30 mpg
combined
30 mpg
Mercedes S 420 CDI long
30 mpg
30 mpg
Audi A8 4.2 FSI
22 mpg
city
21 mpg
39 mpg
motorway
No data
90 L
Fuel Tank Capacity
90 L
595 mi
Range
588 mi
Mercedes S 420 CDI long
595 mi
588 mi
Audi A8 4.2 FSI
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).
179.9 kWh
Mercedes S 420 CDI long
193.4 kWh
179.9 kWh
Audi A8 4.2 FSI
Euro 4 III
Emission Standard
Euro 5
247 g/km (NEFZ)
CO2 Emissions
219 g/km (NEFZ)
Practical Convenience
Mercedes S 420 CDI long
Audi A8 4.2 FSI
4
Doors
4
5
No. of Seats
5
520 kg
Maximum Payload
615 kg
560 L
Boot Capacity
510 L
No data
Boot Capacity (Seats Down)
No data
