The Comparative Analysis :
Audi A8 L 55 TFSI quattro tiptronic (17 - ..) vs. Mercedes S 420 CDI 7G-TRONIC (06 - 09)
€ 98,700
€ 91,100
€ 98,700
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 Audi A8 L 55 TFSI is considerably bigger in every dimension. It's 22.2 cm longer, 7.4 cm wider and 1.2 cm taller than the Mercedes S 420 CDI.
Audi A8 L 55 TFSI
Mercedes S 420 CDI
1485
1945
2130
1473
1871
2120
1945 mm
Width
1871 mm
2130 mm
Width Incl. Mirrors
2120 mm
1485 mm
Height
1473 mm
3128
5302
3035
5080
5302 mm
Length
5080 mm
3128 mm
Wheelbase
3035 mm
Vehicle Weight
Audi A8 L 55 TFSI
Mercedes S 420 CDI
2030 kg
Kerb Weight
2090 kg
2755 kg
Gross Vehicle
Weight
Weight
2640 kg
Weight Difference:
60 kg
2.87 %
General
Audi A8 L 55 TFSI
Mercedes S 420 CDI
D5 (4N)
Generation
W221
Saloon
Car Body Style
Saloon
Unleaded (95 RON)
Fuel Type
Diesel
Permanent all-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
Audi A8 L 55 TFSI
Mercedes S 420 CDI
6-cylinder mild hybrid petrol engine with turbocharger
Engine Type
V8 diesel engine with turbocharger
Engine Series
Mercedes-Benz OM 629
CZSE
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
2995 CC
Engine Capacity
3996 CC
335 bhp
at 5000 rpm
Power
316 bhp
at 3600 rpm
Audi A8 L 55 TFSI
335 bhp
316 bhp
Mercedes S 420 CDI
500 NM
at 1370 rpm
Max. Torque
730 NM
at 2200 rpm
Audi A8 L 55 TFSI
500 NM
730 NM
Mercedes S 420 CDI
Performance
Audi A8 L 55 TFSI
Mercedes S 420 CDI
155 mph
Maximum Speed
155 mph
5.7 sec
Acceleration 0 to 62 mph
6 sec
62 mph
62
mph
mph
79 m
0.000 sec
Audi A8 L 55 TFSI
62 mph
62
mph
mph
83 m
0.000 sec
Mercedes S 420 CDI
▶ REPLAY
6.06 kg/bhp
Weight-to-Power Ratio
6.61 kg/bhp
Audi A8 L 55 TFSI
6.06 kg/bhp
6.61 kg/bhp
Mercedes S 420 CDI
Fuel Economy / Emissions
Audi A8 L 55 TFSI
Mercedes S 420 CDI
Fuel Economy
36 mpg
combined
30 mpg
Audi A8 L 55 TFSI
36 mpg
30 mpg
Mercedes S 420 CDI
26 mpg
city
22 mpg
No data
motorway
39 mpg
72 L
Fuel Tank Capacity
90 L
574 mi
Range
595 mi
Audi A8 L 55 TFSI
574 mi
595 mi
Mercedes S 420 CDI
Environmental Impact
147.7 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 L 55 TFSI
147.7 kWh
193.4 kWh
Mercedes S 420 CDI
Euro 6d-TEMP (WLTP)
Emission Standard
Euro 4 III
216 g/km (WLTP)
CO2 Emissions
247 g/km (NEFZ)
Practical Convenience
Audi A8 L 55 TFSI
Mercedes S 420 CDI
4
Doors
4
5
No. of Seats
5
725 kg
Maximum Payload
550 kg
505 L
Boot Capacity
560 L
No data
Boot Capacity (Seats Down)
No data
