The Comparative Analysis :

Mercedes S 420 CDI long 7G-TRONIC (06 - 09) vs. Audi A8 2.0 TFSI hybrid quattro tiptronic (12 - 15)

€ 98,900
Mercedes S 420 CDI long 7G-TRONIC (06 - 09) Mercedes S 420 CDI long
€ 78,100
 Audi A8 2.0 TFSI hybrid quattro tiptronic (12 - 15) Audi A8 2.0 TFSI hybrid
€ 98,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 78,100

ⓘ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 2.0 TFSI hybrid.
Mercedes S 420 CDI long
Audi A8 2.0 TFSI hybrid
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1460
Blueprint Audi A8 2.0 TFSI hybrid quattro tiptronic (12 - 15)
1949
2111
1871 mm
Width
1949 mm
2120 mm
Width Incl. Mirrors
2111 mm
1473 mm
Height
1460 mm
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
Blueprint Audi A8 2.0 TFSI hybrid quattro tiptronic (12 - 15)
2992
5137
5210 mm
Length
5137 mm
3165 mm
Wheelbase
2992 mm

Vehicle Weight

Mercedes S 420 CDI long
Audi A8 2.0 TFSI hybrid
2140 kg
Kerb Weight
1945 kg
2660 kg
Gross Vehicle
Weight
2520 kg
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
Weight Difference:
195 kg
9.11 %
Audi A8 2.0 TFSI hybrid quattro tiptronic (12 - 15)

General

Mercedes S 420 CDI long
Audi A8 2.0 TFSI hybrid
W221
Generation
D4 (4H)
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Unleaded (95 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 2.0 TFSI hybrid
V8 diesel engine with tur­bo­charger
Engine Type
4-cylinder full hybrid petrol engine with tur­bo­charger
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CHJA
4
Valves
4
8
Cylinders
4
3996 CC
Engine Capacity
1984 CC
316 bhp
at 3600 rpm
Power
242 bhp
at 4300 rpm
Mercedes S 420 CDI long
316 bhp
242 bhp
Audi A8 2.0 TFSI hybrid
730 NM
at 2200 rpm
Max. Torque
480 NM
at 0 rpm
Mercedes S 420 CDI long
730 NM
480 NM
Audi A8 2.0 TFSI hybrid

Performance

Mercedes S 420 CDI long
Audi A8 2.0 TFSI hybrid
155 mph
Maximum Speed
146 mph
6 sec
Acceleration 0 to 62 mph
7.7 sec
62 mph 62
mph

83 m
0.000 sec

Mercedes S 420 CDI long

62 mph 62
mph

107 m
0.000 sec

Audi A8 2.0 TFSI hybrid

▶ REPLAY
6.77 kg/bhp
Weight-to-Power Ratio
8.04 kg/bhp
Mercedes S 420 CDI long
6.77 kg/bhp
8.04 kg/bhp
Audi A8 2.0 TFSI hybrid

Fuel Economy / Emissions

Mercedes S 420 CDI long
Audi A8 2.0 TFSI hybrid
Fuel Economy
30 mpg
combined
45 mpg
Mercedes S 420 CDI long
30 mpg
45 mpg
Audi A8 2.0 TFSI hybrid
22 mpg
city
44 mpg
39 mpg
motorway
No data
Kraftstoffanzeige
90 L
Fuel Tank Capacity
75 L
Kraftstoffanzeige
595 mi
Range
739 mi
Mercedes S 420 CDI long
595 mi
739 mi
Audi A8 2.0 TFSI hybrid
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).
119.4 kWh
Mercedes S 420 CDI long
193.4 kWh
119.4 kWh
Audi A8 2.0 TFSI hybrid
Euro 4 III
Emission Standard
Euro 5
247 g/km (NEFZ)
CO2 Emissions
147 g/km (NEFZ)

Practical Convenience

Mercedes S 420 CDI long
Audi A8 2.0 TFSI hybrid
4
Doors
4
5
No. of Seats
5
520 kg
Maximum Payload
575 kg
560 L
Boot Capacity
335 L
No data
Boot Capacity (Seats Down)
No data