The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Audi A8 L 3.0 TFSI quattro tiptronic (10 - 13)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 82,300
 Audi A8 L 3.0 TFSI quattro tiptronic (10 - 13) Audi A8 L 3.0 TFSI
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 82,300

ⓘ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 considerably smaller in every dimension. It's 5.7 cm shorter, 7.8 cm narrower and 26.8 cm lower than the Audi A8 L 3.0 TFSI.
Mercedes S 420 CDI long
Audi A8 L 3.0 TFSI
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1741
Blueprint Audi A8 L 3.0 TFSI quattro tiptronic (10 - 13)
1949
2111
1871 mm
Width
1949 mm
2120 mm
Width Incl. Mirrors
2111 mm
1473 mm
Height
1741 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint Audi A8 L 3.0 TFSI quattro tiptronic (10 - 13)
3122
5267
5210 mm
Length
5267 mm
3165 mm
Wheelbase
3122 mm

Vehicle Weight

Mercedes S 420 CDI long
Audi A8 L 3.0 TFSI
2140 kg
Kerb Weight
1955 kg
2660 kg
Gross Vehicle
Weight
2530 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
185 kg
8.64 %
Audi A8 L 3.0 TFSI quattro tiptronic (10 - 13)

General

Mercedes S 420 CDI long
Audi A8 L 3.0 TFSI
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 L 3.0 TFSI
V8 diesel engine with tur­bo­charger
Engine Type
V6 petrol engine with tur­bo­charger
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CGXA, CGWA, CREG
4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2995 CC
316 bhp
at 3600 rpm
Power
286 bhp
at 4850 rpm
Mercedes S 420 CDI long
316 bhp
286 bhp
Audi A8 L 3.0 TFSI
730 NM
at 2200 rpm
Max. Torque
420 NM
at 2500 rpm
Mercedes S 420 CDI long
730 NM
420 NM
Audi A8 L 3.0 TFSI

Performance

Mercedes S 420 CDI long
Audi A8 L 3.0 TFSI
155 mph
Maximum Speed
155 mph
6 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph 62
mph

83 m
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

86 m
0.000 sec

Audi A8 L 3.0 TFSI

▶ REPLAY
6.77 kg/bhp
Weight-to-Power Ratio
6.84 kg/bhp
Mercedes S 420 CDI long
6.77 kg/bhp
6.84 kg/bhp
Audi A8 L 3.0 TFSI

Fuel Economy / Emissions

Mercedes S 420 CDI long
Audi A8 L 3.0 TFSI
Fuel Economy
30 mpg
combined
32 mpg
Mercedes S 420 CDI long
30 mpg
32 mpg
Audi A8 L 3.0 TFSI
22 mpg
city
24 mpg
39 mpg
motorway
No data
Kraftstoffanzeige
90 L
Fuel Tank Capacity
90 L
Kraftstoffanzeige
595 mi
Range
636 mi
Mercedes S 420 CDI long
595 mi
636 mi
Audi A8 L 3.0 TFSI
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).
166.7 kWh
Mercedes S 420 CDI long
193.4 kWh
166.7 kWh
Audi A8 L 3.0 TFSI
Euro 4 III
Emission Standard
Euro 5
247 g/km (NEFZ)
CO2 Emissions
205 g/km (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
Audi A8 L 3.0 TFSI
4
Doors
4
5
No. of Seats
5
520 kg
Maximum Payload
575 kg
560 L
Boot Capacity
510 L
No data
Boot Capacity (Seats Down)
No data