Comparison of Audi A8 (D4,4H facelift 2013) 4.0 BiTFSI V8 quattro Tiptronic and Mercedes-Benz S-class (W221, facelift 2009) S 500 BlueEFFICIENCY 4MATIC G-TRONIC

Comparison of Audi A8 (D4,4H facelift 2013) 4.0 BiTFSI V8 quattro Tiptronic and Mercedes-Benz S-class (W221, facelift 2009) S 500 BlueEFFICIENCY 4MATIC G-TRONIC [S]ave

Attribute	Mercedes-Benz S-class (W221, facelift 2009) S 500 BlueEFFICIENCY 4MATIC G-TRONIC ×	Audi A8 (D4,4H facelift 2013) 4.0 BiTFSI V8 quattro Tiptronic ×
General
Make	Mercedes-Benz	Audi
Model	S-class	A8
Generation	S-class (W221, facelift 2009)	A8 (D4,4H facelift 2013)
Modification	S 500 BlueEFFICIENCY 4MATIC G-TRONIC	4.0 BiTFSI V8 quattro Tiptronic
Website	https://www.mercedes-benz.com/	https://www.audi.com/
Number of doors	4	4
Number of seats	5	5
Body type	Sedan	Sedan
Transmission	automatic g-tronic	automatic tiptronic
Number of gears	7	8
Production from (year)	2011	2013
Production to (year)	2013	2017
Performance
Top speed (km/h)	250	250
Acceleration 0-100 km/h (s)	5	4.5
City consumption (l/100km)	13.8	12.6
Extra-urban consumption (l/100km)	7.5	7.1
Combined consumption (l/100km)	9.8	9.1
CO2 emissions (g/km)	228	213
Emission standard	EURO V	EURO VI
Drive
Drive	All wheel drive (4x4)	All wheel drive (4x4)
Engine type	-	Fuel engine
Position of engine	Front,ongitudinal	Front,ongitudinal
Fuel	Petrol (Gasoline)	Petrol (Gasoline)
Max. power (hp)	435	435
Max. torque (Nm)	700	600
Fuel Engine
Number of cylinders	8	8
Cylinders arrangement	V engine	V engine
Valves per cylinder	4	4
Engine displacement (cm³)	4,663	3,993
Compression ratio	10.5	10.1
Max. power @ rpm (rpm)	5,250	5,100
Max. torque @ rpm (rpm)	1,800	1,500
Cylinder bore (mm)	-	84.5
Piston stroke (mm)	-	89
Fuel system	Direct injection	Direct injection
Valve control	-	Dohc
Turbine	Twin-Turbo	BiTurbo
Catalyst	-	Regular
Fuel tank (l)	83	82
Chassis
ABS	+	+
Front wheel suspension	-	Multi-link suspension
Rear wheel suspension	-	Independent on trapezoidalever
Front suspension	-	Pneumatic
Rear suspension	-	Pneumatic
Front stabilizer	-	+
Rear stabilizer	-	+
Steering type	Steering rack	Steering rack
Power steering	-	Electric Steering
Front brakes	Disc	Ventilated discs
Rear brakes	Disc	Ventilated discs
Tires size	255/45 R18	235/55 R18
Turning radius (m)	11.8	12.3
Dimensions
Length (mm)	5,096	5,135
Width (mm)	1,871	1,949
Height (mm)	1,479	1,460
Wheelbase (mm)	3,035	2,992
Kerb weight (kg)	2,000	1,995
Gross weight (kg)	2,685	2,570
Minimum boot space (l)	560	490
Max. roof load (kg)	-	100
Front track (mm)	1,600	1,644
Rear track (mm)	1,606	1,635
Drag coefficient (Cd)	-	0.27