Comparison Porsche 718 Cayman (982) GT4 RS 4.0 (493 Hp) PDK & Chevrolet Silverado 3500 HD III (K2XX) Crew Cab Long Box 6.6 Duramax TD V8 (445 Hp) DRW Automatic
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| Brand: | Porsche | Chevrolet |
| Model: | 718 | Silverado 3500 HD |
| Generation: | 718 Cayman (982) | Silverado 3500 HD III (K2XX) Crew Cab Long Box |
| Engine / modification: | GT4 RS 4.0 (493 Hp) PDK | 6.6 Duramax TD V8 (445 Hp) DRW Automatic |
| Production start: | 2022 year | 2017 year |
| Production end: | 2019 year | |
| Coupe type: | Coupe | Pick-up |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 2 | 5 |
| Fuel Type: | Petrol (Gasoline) | Diesel |
| Fuel tank volume: | 64 l | 136 l |
| Combined fuel consumption (WLTP): | 13.2 l/100 km | |
| Power: | 493 hp | 445 hp |
| Max power in: | 8400 rpm. | 2800 rpm. |
| Maximum speed: | 315 km/h | |
| Acceleration from 0 to 100 km/h: | 3.4 sec | |
| CO2 emissions (WLTP): | 299 g/km | |
| Torque: | 449 Nm @ 6250 rpm. | 1234 Nm @ 1600 rpm. |
| Model Engine: | MDG.GA | Duramax L5P |
| Engine position: | Middle, longitudinal | |
| Engine displacement: | 3996 cm3 | 6604 cm3 |
| Engine oil capacity: | 9.5 l | |
| Coolant: | 29.7 l | |
| Fuel System: | Direct injection | |
| Maximum engine speed: | 9000 rpm. | |
| Position of cylinders: | Boxer | |
| Valvetrain: | DOHC | OHV |
| Number of cylinders: | 6 | 8 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 16 | |
| Piston Stroke: | 81.5 mm | 99 mm |
| Cylinder Bore: | 102 mm | 103 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 7 PDK | |
| Length: | 4455 mm | 6563 mm |
| Width: | 1994 mm | |
| Width with mirrors folded: | 1821 mm | |
| Width including mirrors: | 2438 mm | |
| Height: | 1267 mm | 1976 mm |
| Wheelbase: | 2484 mm | 4259 mm |
| Front track: | 1748 mm | |
| Rear (Back) track: | 1906 mm | |
| Approach angle: | 6.4 ° | |
| Ramp angle: | 10.3 ° | |
| Maximum amount of Luggage (trunk): | 136 l | 2162 l |
| Front suspension: | Independent, Spring McPherson, with stabilizer | Independent torsion bar, double wishbone |
| Max weight: | 1771 kg | 5908 kg |
| Kerb Weight: | 1464 kg | 3501 kg |
| Steering type: | Cone worm with recirculation balls | |
| Power steering: | Electric Steering | |
| Minimum turning circle (turning diameter): | 17 m | |
| Permitted trailer load with brakes (12%): | 9072 kg | |
| Tire size: | Front wheel tires: 245/35 R20 | 235/80 R17; 265/70 R18 |
| Wheel rims size: | Front wheel rims: 8.5J x 20 | 7.5J x 17; 8J x 18 |