Comparison Porsche Cayenne III Coupe 4.0 V8 Turbo S (680 Hp) E-Hybrid Tiptronic S & GMC Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic
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| Brand: | Porsche | GMC |
| Model: | Cayenne | Sierra 3500HD |
| Generation: | Cayenne III Coupe | Sierra 3500HD V (GMTT1XX) Crew Cab Long Bed |
| Engine / modification: | 4.0 V8 Turbo S (680 Hp) E-Hybrid Tiptronic S | 6.6 Duramax TD V8 (445 Hp) 4WD SRW Automatic |
| Production start: | 2019 year | 2020 year |
| Production end: | 2023 year | |
| Coupe type: | SUV | Pick-up |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 5 | 4 |
| Num. of seats: | 4 | 5 |
| Fuel consumption / economy - urban: | 3.7-3.9 l/100 km | |
| Fuel Type: | Petrol / electricity | Diesel |
| Fuel tank volume: | 75 l | 136 l |
| Emission standard: | Euro 6d-TEMP-EVAP-ISC | |
| CO2 emissions: | 85-90 g/km | |
| Power: | 550 hp | 445 hp |
| Max power in: | 5750-6000 rpm. | 2800 rpm. |
| Maximum speed: | 295 km/h | |
| Acceleration from 0 to 100 km/h: | 3.8 sec | |
| Torque: | 770 Nm @ 2100-4500 rpm. | 1234 Nm @ 1600 rpm. |
| Model Engine: | Duramax L5P | |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 3996 cm3 | 6604 cm3 |
| Engine oil capacity: | 9.5 l | |
| Coolant: | 29.1 l | |
| Fuel System: | Direct injection | |
| Aspiration / Turbine: | BiTurbo | |
| Position of cylinders: | V engine | |
| Valvetrain: | OHV | |
| Number of cylinders: | 8 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 16 | |
| Piston Stroke: | 86 mm | 99 mm |
| Cylinder Bore: | 86 mm | 103 mm |
| All-electric range: | 40 km | |
| Average Energy consumption: | 18.7-19.6 kWh/100 km | |
| Electric motor power: | 136 | |
| Electric motor Torque: | 400 Nm | |
| Battery capacity: | 14.1 kWh | |
| System power: | 680 Hp hp/ rpm. | |
| System torque: | 900 Nm Nm/ rpm. | |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Tiptronic S | |
| Length: | 4939 mm | 6759 mm |
| Width: | 1989 mm | |
| Width including mirrors: | 2194 mm | 2079 mm |
| Height: | 1653 mm | 2049 mm |
| Wheelbase: | 2895 mm | 4369 mm |
| Front track: | 1687 mm | 1731 mm |
| Rear (Back) track: | 1688 mm | 1736 mm |
| Ride height(clearance): | 190-245 mm | 283 mm |
| Approach angle: | 27.5 ° | |
| Departure angle: | 24.4 ° | |
| Ramp angle: | 21.3 ° | |
| Minimum volume of Luggage (trunk): | 500 l | |
| Maximum amount of Luggage (trunk): | 1440 l | |
| Front suspension: | Independent multi-link | |
| Rear suspension: | Multi-link independent | |
| Max weight: | 3095 kg | 5557 kg |
| Kerb Weight: | 2535 kg | 3690 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Electric Steering |
| Permitted trailer load with brakes (12%): | 9072 kg | |
| Tire size: | Front wheel tires: 285/40 ZR21 109Y | 265/70 R17; 245/75 R17; 265/70 R18; 265/60 R20 |
| Wheel rims size: | 9.5J x 21; 11J x 21 | 7.5J x 17; 8J x 18; 8.5J x 20 |