Comparisons / Comparison of Mercedes-Benz R-class (W251) Long R 500 V6 4MATIC G-TRONIC and Porsche Cayenne (955) Turbo S 4.5 (521)

Comparison of Mercedes-Benz R-class (W251) Long R 500 V6 4MATIC G-TRONIC and Porsche Cayenne (955) Turbo S 4.5 (521) [S]ave

Attribute
Mercedes-Benz R-class (W251) Long R 500 V6 4MATIC G-TRONIC ×
Porsche Cayenne (955) Turbo S 4.5 (521) ×
General
MakeMercedes-BenzPorsche
ModelR-classCayenne
GenerationR-class (W251) LongCayenne (955)
ModificationR 500 V6 4MATIC G-TRONICTurbo S 4.5 (521)
Websitehttps://www.mercedes-benz.com/https://www.porsche.com/
Number of doors55
Number of seats55
Body typeStation wagon (estate)Off-road vehicle
Transmissionautomatic g-tronic automatic
Number of gears76
Production from (year)20082005
Production to (year)20102006
Performance
Top speed (km/h)250270
Acceleration 0-100 km/h (s)6.35.2
City consumption (l/100km)18.221.9
Extra-urban consumption (l/100km)9.811.9
Combined consumption (l/100km)12.915.7
CO2 emissions (g/km)306-
Emission standardEURO VEURO IV
Drive
DriveAll wheel drive (4x4)All wheel drive (4x4)
Position of engineFront,ongitudinalFront,ongitudinal
FuelPetrol (Gasoline)Petrol (Gasoline)
Max. power (hp)388521
Max. torque (Nm)530720
Fuel Engine
Number of cylinders88
Cylinders arrangementV engineV engine
Valves per cylinder44
Engine displacement (cm³)5,4614,511
Compression ratio10.79.5
Max. power @ rpm (rpm)6,0005,500
Max. torque @ rpm (rpm)2,8002,750
Cylinder bore (mm)98-
Piston stroke (mm)90.5-
Fuel systemMulti-point injectionMulti-point injection
Valve control-Dohc
Fuel tank (l)80100
Chassis
ABS++
Front wheel suspensionDouble wishbonePneumatic elastic element
Rear wheel suspensionIndependent, spring multi-link with stabilizerPneumatic elastic element
Steering typeSteering rackSteering rack
Power steeringHydraulic SteeringHydraulic Steering
Front brakesVentilated discsVentilated discs
Rear brakesVentilated discsVentilated discs
Tires size
  • 255/55 R19 W
  • 255/55 R18
Turning radius (m)12.4-
Dimensions
Length (mm)5,1574,786
Width (mm)1,9221,928
Height (mm)1,6741,699
Wheelbase (mm)3,2152,855
Kerb weight (kg)2,2652,355
Gross weight (kg)2,9203,080
Minimum boot space (l)-540
Maximum boot space (l)2,3851,770
Max. roof load (kg)100-
Front track (mm)1,6611,647
Rear track (mm)1,6511,662



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