The Comparative Analysis :
Mercedes S 450 CDI 7G-TRONIC (09 - 10) vs. Audi A8 L 4.2 TDI quattro tiptronic (13 - 17)
€ 92,700
€ 108,200
€ 92,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 108,200
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The Mercedes S 450 CDI is 16.9 cm shorter, 7.8 cm narrower and 1.4 cm taller than the Audi A8 L 4.2 TDI.
Mercedes S 450 CDI
Audi A8 L 4.2 TDI
1485
1871
2120
1471
1949
2111
1871 mm
Width
1949 mm
2120 mm
Width Incl. Mirrors
2111 mm
1485 mm
Height
1471 mm
3035
5096
3122
5265
5096 mm
Length
5265 mm
3035 mm
Wheelbase
3122 mm
Vehicle Weight
Mercedes S 450 CDI
Audi A8 L 4.2 TDI
2090 kg
Kerb Weight
2170 kg
2690 kg
Gross Vehicle
Weight
Weight
2720 kg
Weight Difference:
80 kg
3.69 %
General
Mercedes S 450 CDI
Audi A8 L 4.2 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 450 CDI
Audi A8 L 4.2 TDI
V8 diesel engine with turbocharger
Engine Type
V8 diesel engine with two turbochargers (biturbo)
Mercedes-Benz OM 629
Engine Series
OM 629.911
Engine Code
CTEC

4
Valves
4
8
Cylinders
8
3996 CC
Engine Capacity
4134 CC
316 bhp
at 3600 rpm
Power
380 bhp
at 3750 rpm
Mercedes S 450 CDI
316 bhp
380 bhp
Audi A8 L 4.2 TDI
730 NM
at 2200 rpm
Max. Torque
850 NM
at 2000 rpm
Mercedes S 450 CDI
730 NM
850 NM
Audi A8 L 4.2 TDI
Performance
Mercedes S 450 CDI
Audi A8 L 4.2 TDI
155 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
92 m
0.000 sec
Mercedes S 450 CDI
62 mph
62
mph
mph
68 m
0.000 sec
Audi A8 L 4.2 TDI
▶ REPLAY
6.61 kg/bhp
Weight-to-Power Ratio
5.71 kg/bhp
Mercedes S 450 CDI
6.61 kg/bhp
5.71 kg/bhp
Audi A8 L 4.2 TDI
Fuel Economy / Emissions
Mercedes S 450 CDI
Audi A8 L 4.2 TDI
Fuel Economy
31 mpg
combined
39 mpg
Mercedes S 450 CDI
31 mpg
39 mpg
Audi A8 L 4.2 TDI
22 mpg
city
30 mpg
41 mpg
motorway
No data
90 L
Fuel Tank Capacity
90 L
615 mi
Range
766 mi
Mercedes S 450 CDI
615 mi
766 mi
Audi A8 L 4.2 TDI
Environmental Impact
187.2 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).
150.2 kWh
Mercedes S 450 CDI
187.2 kWh
150.2 kWh
Audi A8 L 4.2 TDI
Euro 4 III
Emission Standard
Euro 6b (NEFZ)
240 g/km (NEFZ)
CO2 Emissions
190 g/km (NEFZ)
Practical Convenience
Mercedes S 450 CDI
Audi A8 L 4.2 TDI
4
Doors
4
5
No. of Seats
5
600 kg
Maximum Payload
550 kg
560 L
Boot Capacity
520 L











No data
Boot Capacity (Seats Down)
No data














