Comparisons / Comparison of Audi A8 (D3, 4E) 4.0 TDI V8 32V quattro Tiptronic and Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 G-TRONIC

Comparison of Audi A8 (D3, 4E) 4.0 TDI V8 32V quattro Tiptronic and Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 G-TRONIC [S]ave

Attribute
Audi A8 (D3, 4E) 4.0 TDI V8 32V quattro Tiptronic ×
Mercedes-Benz S-class (W221, facelift 2009) S 450 CDI V8 G-TRONIC ×
General
MakeAudiMercedes-Benz
ModelA8S-class
GenerationA8 (D3, 4E)S-class (W221, facelift 2009)
Modification4.0 TDI V8 32V quattro TiptronicS 450 CDI V8 G-TRONIC
Websitehttps://www.audi.com/https://www.mercedes-benz.com/
Number of doors44
Number of seats55
Body typeSedanSedan
Transmissionautomatic tiptronic automatic g-tronic
Number of gears67
Production from (year)20032009
Production to (year)20052010
Performance
Top speed (km/h)250250
Acceleration 0-100 km/h (s)6.76.6
City consumption (l/100km)13.413
Extra-urban consumption (l/100km)7.56.9
Combined consumption (l/100km)9.69.1
CO2 emissions (g/km)259240
Emission standardEURO III-
Drive
DriveAll wheel drive (4x4)Rear wheel drive
Position of engineFront,ongitudinalFront,ongitudinal
FuelDieselDiesel
Max. power (hp)275320
Max. torque (Nm)650730
Fuel Engine
Number of cylinders88
Cylinders arrangementV engineV engine
Valves per cylinder4-
Engine displacement (cm³)3,9363,996
Compression ratio17.517
Max. power @ rpm (rpm)3,7503,600
Max. torque @ rpm (rpm)1,8002,200
Cylinder bore (mm)81-
Piston stroke (mm)95.5-
Fuel systemDiesel CommonrailDiesel Commonrail
Valve controlDohc-
TurbineTurbocharger / IntercoolerTurbocharger / Intercooler
Fuel tank (l)9090
Engine oil capacity (l)12.5-
Coolant capacity (l)15.9-
Chassis
ABS++
Front wheel suspensionMulti-link suspension-
Rear wheel suspensionIndependent on trapezoidalever-
Steering typeSteering rackSteering rack
Power steeringHydraulic Steering-
Front brakesVentilated discsDisc
Rear brakesVentilated discsDisc
Tires size
  • 235/55 R17
  • 255/45 R18
Turning radius (m)12.111.8
Dimensions
Length (mm)5,0515,096
Width (mm)1,8941,871
Height (mm)1,4441,479
Wheelbase (mm)2,9443,035
Kerb weight (kg)1,9402,015
Gross weight (kg)2,5402,690
Minimum boot space (l)500560
Max. roof load (kg)100-
Front track (mm)1,6291,600
Rear track (mm)1,6151,606
Drag coefficient (Cd)0.27-



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