The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Audi A8 L 3.0 TDI quattro tiptronic (13 - 15)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 85,300
 Audi A8 L 3.0 TDI quattro tiptronic (13 - 15) Audi A8 L 3.0 TDI
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 85,300

ⓘ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 5.5 cm shorter, 7.8 cm narrower and 0.2 cm taller than the Audi A8 L 3.0 TDI.
Mercedes S 420 CDI long
Audi A8 L 3.0 TDI
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1471
Blueprint Audi A8 L 3.0 TDI quattro tiptronic (13 - 15)
1949
2111
1871 mm
Width
1949 mm
2120 mm
Width Incl. Mirrors
2111 mm
1473 mm
Height
1471 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint Audi A8 L 3.0 TDI quattro tiptronic (13 - 15)
3122
5265
5210 mm
Length
5265 mm
3165 mm
Wheelbase
3122 mm

Vehicle Weight

Mercedes S 420 CDI long
Audi A8 L 3.0 TDI
2140 kg
Kerb Weight
2010 kg
2660 kg
Gross Vehicle
Weight
2585 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
130 kg
6.07 %
Audi A8 L 3.0 TDI quattro tiptronic (13 - 15)

General

Mercedes S 420 CDI long
Audi A8 L 3.0 TDI
W221
Generation
D4 (4H)
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 long
Audi A8 L 3.0 TDI
V8 diesel engine with tur­bo­charger
Engine Type
V6 diesel engine with tur­bo­charger
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CTBA
4
Valves
4
8
Cylinders
6
3996 CC
Engine Capacity
2967 CC
316 bhp
at 3600 rpm
Power
254 bhp
at 4000 rpm
Mercedes S 420 CDI long
316 bhp
254 bhp
Audi A8 L 3.0 TDI
730 NM
at 2200 rpm
Max. Torque
580 NM
at 1750 rpm
Mercedes S 420 CDI long
730 NM
580 NM
Audi A8 L 3.0 TDI

Performance

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

83 m
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

85 m
0.000 sec

Audi A8 L 3.0 TDI

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

Fuel Economy / Emissions

Mercedes S 420 CDI long
Audi A8 L 3.0 TDI
Fuel Economy
30 mpg
combined
47 mpg
Mercedes S 420 CDI long
30 mpg
47 mpg
Audi A8 L 3.0 TDI
22 mpg
city
38 mpg
39 mpg
motorway
No data
Kraftstoffanzeige
90 L
Fuel Tank Capacity
82 L
Kraftstoffanzeige
595 mi
Range
849 mi
Mercedes S 420 CDI long
595 mi
849 mi
Audi A8 L 3.0 TDI
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).
123.4 kWh
Mercedes S 420 CDI long
193.4 kWh
123.4 kWh
Audi A8 L 3.0 TDI
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
247 g/km (NEFZ)
CO2 Emissions
158 g/km (NEFZ)

Practical Convenience

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