The Comparative Analysis :
Audi A8 3.0 TDI quattro tiptronic (10 - 13) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 74,000
€ 91,100
€ 74,000
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 Audi A8 3.0 TDI is 5.7 cm longer, 7.8 cm wider and 1.3 cm lower than the Mercedes S 420 CDI.
Audi A8 3.0 TDI
Mercedes S 420 CDI
1460
1949
2111
1473
1871
2120
1949 mm
Width
1871 mm
2111 mm
Width Incl. Mirrors
2120 mm
1460 mm
Height
1473 mm
2992
5137
3035
5080
5137 mm
Length
5080 mm
2992 mm
Wheelbase
3035 mm
Vehicle Weight
Audi A8 3.0 TDI
Mercedes S 420 CDI
1915 kg
Kerb Weight
2090 kg
2530 kg
Gross Vehicle
Weight
Weight
2640 kg
Weight Difference:
175 kg
8.37 %
General
Audi A8 3.0 TDI
Mercedes S 420 CDI
D4 (4H)
Generation
W221
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 3.0 TDI
Mercedes S 420 CDI
V6 diesel engine with turbocharger
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
CDTA, CMHA, CDTC
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
2967 CC
Engine Capacity
3996 CC
247 bhp
at 4000 rpm
Power
316 bhp
at 3600 rpm
Audi A8 3.0 TDI
247 bhp
316 bhp
Mercedes S 420 CDI
550 NM
at 1500 rpm
Max. Torque
730 NM
at 2200 rpm
Audi A8 3.0 TDI
550 NM
730 NM
Mercedes S 420 CDI
Performance
Audi A8 3.0 TDI
Mercedes S 420 CDI
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
85 m
0.000 sec
Audi A8 3.0 TDI
62 mph
62
mph
mph
83 m
0.000 sec
Mercedes S 420 CDI
▶ REPLAY
7.75 kg/bhp
Weight-to-Power Ratio
6.61 kg/bhp
Audi A8 3.0 TDI
7.75 kg/bhp
6.61 kg/bhp
Mercedes S 420 CDI
Fuel Economy / Emissions
Audi A8 3.0 TDI
Mercedes S 420 CDI
Fuel Economy
44 mpg
combined
30 mpg
Audi A8 3.0 TDI
44 mpg
30 mpg
Mercedes S 420 CDI
36 mpg
city
22 mpg
No data
motorway
39 mpg
90 L
Fuel Tank Capacity
90 L
874 mi
Range
595 mi
Audi A8 3.0 TDI
874 mi
595 mi
Mercedes S 420 CDI
Environmental Impact
131.6 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).
193.4 kWh
Audi A8 3.0 TDI
131.6 kWh
193.4 kWh
Mercedes S 420 CDI
Euro 5
Emission Standard
Euro 4 III
169 g/km (NEFZ)
CO2 Emissions
247 g/km (NEFZ)
Practical Convenience
Audi A8 3.0 TDI
Mercedes S 420 CDI
4
Doors
4
5
No. of Seats
5
615 kg
Maximum Payload
550 kg
510 L
Boot Capacity
560 L
No data
Boot Capacity (Seats Down)
No data
