Comparison Porsche Cayenne III Coupe Turbo S 4.0 V8 (680 Hp) E-Hybrid Tiptronic S & Mercedes-Benz S-class Long (V223) S 450 EQ Boost (367 Hp) 4MATIC 9G-TRONIC
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| Brand: | Porsche | Mercedes-Benz |
| Model: | Cayenne | S-class |
| Generation: | Cayenne III Coupe | S-class Long (V223) |
| Engine / modification: | Turbo S 4.0 V8 (680 Hp) E-Hybrid Tiptronic S | S 450 EQ Boost (367 Hp) 4MATIC 9G-TRONIC |
| Production start: | 2020 year | 2020 year |
| Coupe type: | Sedan | |
| Powertrain Architecture: | PHEV (Plug-in Hybrid Electric Vehicle) | |
| Num. of Doors: | 5 | 4 |
| Num. of seats: | 4 | 4-5 |
| Fuel Type: | Petrol / electricity | Petrol (Gasoline) |
| Drag coefficient: | 0.34 | 0.22 |
| Fuel tank volume: | 75 l | 65 l |
| Combined fuel consumption (WLTP): | 3.8-4.1 l/100 km | 7.8-9.5 l/100 km |
| Emission standard: | Euro 6d-ISC-FCM | Euro 6D-ISC-FCM |
| Power: | 550 hp | 367 hp |
| Max power in: | 5750-6000 rpm. | 5500-6100 rpm. |
| Maximum speed: | 295 km/h | 250 , Electronically limited km/h |
| Acceleration from 0 to 100 km/h: | 3.8 sec | 5.1 sec |
| Acceleration from 0 to 200 km/h: | 13.3 sec | |
| CO2 emissions (WLTP): | 87-92 g/km | 178-215 g/km |
| Torque: | 770 Nm @ 2100-4500 rpm. | 500 Nm @ 1600-4500 rpm. |
| Model Engine: | DCUA, M.DCUA | M 256.930 |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3996 cm3 | 2999 cm3 |
| Engine oil capacity: | 9 l | 8 l |
| Coolant: | 13 l | |
| Fuel System: | Direct injection | Direct injection |
| Maximum engine speed: | 6800 rpm. | |
| Position of cylinders: | V engine | Inline |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.1 | 10.5 |
| Piston Stroke: | 86 mm | 92.4 mm |
| Cylinder Bore: | 86 mm | 83 mm |
| All-electric range (WLTP): | 39-40 km | |
| Average Energy consumption (WLTP): | 25.4-25.9 kWh/100 km | |
| Max speed (electric): | 135 km/h | |
| Electric motor power: | 136 | 22 |
| Electric motor Torque: | 400 @ 100-2300 rpm. Nm | 250 Nm |
| Battery voltage: | 374 V | |
| Battery technology: | Lithium-ion (Li-Ion) | |
| System power: | 680 Hp @ 5 hp/ rpm. | |
| System torque: | 900 Nm @ 1 Nm/ rpm. | |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Tiptronic S | 9G-TRONIC |
| Length: | 4939 mm | 5289 mm |
| Width: | 1989 mm | 1921-1954 mm |
| Width including mirrors: | 2194 mm | 2109 mm |
| Height: | 1653 mm | 1503 mm |
| Wheelbase: | 2895 mm | 3216 mm |
| Front track: | 1687 mm | 1660 mm |
| Rear (Back) track: | 1688 mm | 1688 mm |
| Ride height(clearance): | 190-245 mm | 130 mm |
| Approach angle: | 27.5 ° | 14.7 ° |
| Departure angle: | 24.4 ° | 15.9 ° |
| Ramp angle: | 21.3 ° | 10.4 ° |
| Front overhang: | 877 mm | |
| Rear overhang: | 1196 mm | |
| Wading depth: | 280 mm | |
| Minimum volume of Luggage (trunk): | 460 l | 550 l |
| Maximum amount of Luggage (trunk): | 1400 l | |
| Front suspension: | Pneumatic suspension | |
| Rear suspension: | Pneumatic suspension | |
| Max weight: | 3095 kg | 2820 kg |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 2535 kg | 1940 kg |
| Steering type: | Steering rack and pinion | |
| Power steering: | Electric Steering | Electric Steering |
| Max. roof load: | 75 kg | 100 kg |
| Minimum turning circle (turning diameter): | 11.5 m | 10.9-11.9 m |
| Permitted trailer load with brakes (12%): | 3000 kg | 2100 kg |
| Permitted trailer load without brakes: | 750 kg | 750 kg |
| Permitted towbar download: | 120 kg | 85 kg |
| Tire size: | Front wheel tires: 285/40 R21 | Front wheel tires: 255/50 R18; 255/45 R19; 255/40 R20 |
| Wheel rims size: | Front wheel rims: 9.5J x 21 | Front wheel rims: 8J x 18; 8.5J x 19; 9J x 20 |