Comparison Porsche 911 (997, facelift 2008) GT3 RS 3.8 (450 Hp) & GMC Sierra 1500 V (GMTT1XX, facelift 2022) Regular Cab Long Box 2.7 Turbo (310 Hp) 4WD Automatic & Jeep Grand Cherokee II (WJ) 4.7i V8 (223 Hp) 4WD Automatic
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| Brand: | Porsche | GMC | Jeep |
| Model: | 911 | Sierra 1500 | Grand Cherokee |
| Generation: | 911 (997, facelift 2008) | Sierra 1500 V (GMTT1XX, facelift 2022) Regular Cab Long Box | Grand Cherokee II (WJ) |
| Engine / modification: | GT3 RS 3.8 (450 Hp) | 2.7 Turbo (310 Hp) 4WD Automatic | 4.7i V8 (223 Hp) 4WD Automatic |
| Production start: | 2009 year | 2022 year | 2001 year |
| Production end: | 2011 year | 2003 year | |
| Coupe type: | Coupe | Pick-up | Off-road vehicle |
| Powertrain Architecture: | Internal Combustion engine | ||
| Num. of Doors: | 2 | 2 | 5 |
| Num. of seats: | 2-4 | 2 | 5 |
| Fuel consumption / economy - urban: | 19.4 l/100 km | 13.1 l/100 km | 22.3 l/100 km |
| Fuel consumption / economy - extra urban: | 9.6 l/100 km | 11.8 l/100 km | 13.0 l/100 km |
| Fuel consumption / economy - combined: | 13.2 l/100 km | 16.4 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.33 | 0.45 | |
| Fuel tank volume: | 67 l | 107 l | 78 l |
| Emission standard: | Euro 5 | Euro 3 | |
| CO2 emissions: | 314 g/km | ||
| Power: | 450 hp | 310 hp | 223 hp |
| Max power in: | 7900 rpm. | 5600 rpm. | 4700 rpm. |
| Maximum speed: | 310 km/h | 200 km/h | |
| Acceleration from 0 to 100 km/h: | 4 sec | 8.3 sec | |
| Torque: | 430 Nm @ 6750 rpm. | 583 Nm @ 3000 rpm. | 394 Nm @ 3300 rpm. |
| Model Engine: | M 97/77 | L3B | |
| Engine position: | Rear, longitudinal | Front, longitudinal | |
| Engine displacement: | 3797 cm3 | 2727 cm3 | 4701 cm3 |
| Engine oil capacity: | 9 l | 5.7 l | |
| Coolant: | 30 l | 11.8 l | |
| Fuel System: | Direct injection | Multi-point injection | |
| Position of cylinders: | Boxer | V engine | |
| Valvetrain: | DOHC | DOHC, VVT DI | SOHC |
| Number of cylinders: | 6 | 4 | 8 |
| Number of valves per cylinder: | 4 | 4 | 2 |
| Compression ratio: | 12.2 | 10 | 9 |
| Piston Stroke: | 102 mm | 86.5 mm | |
| Cylinder Bore: | 92.25 mm | 93 mm | |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 4 | ||
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4460 mm | 5835 mm | 4611 mm |
| Width: | 1808 mm | 2061 mm | 1858 mm |
| Width including mirrors: | 1952 mm | 2478 mm | |
| Height: | 1280 mm | 1921 mm | 1805 mm |
| Wheelbase: | 2355 mm | 3545 mm | 2690 mm |
| Front track: | 1511 mm | ||
| Rear (Back) track: | 1511 mm | ||
| Ride height(clearance): | 206 mm | 210 mm | |
| Approach angle: | 19.1 ° | 36.7 ° | |
| Departure angle: | 21.4 ° | 28.6 ° | |
| Ramp angle: | 22.6 ° | ||
| Minimum volume of Luggage (trunk): | 1104 l | ||
| Maximum amount of Luggage (trunk): | 105 l | 2047 l | |
| Front suspension: | McPherson | Coil spring | |
| Rear suspension: | Multi-link independent | Helical spring | |
| Max weight: | 1680 kg | 3130 kg | 2495 kg |
| Front brakes: | Ventilated discs | ||
| Rear brakes: | Disc | ||
| Kerb Weight: | 1370 kg | 2159 kg | 1851 kg |
| ABS: | yes | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Hydraulic Steering | Electric Steering | Hydraulic Steering |
| Minimum turning circle (turning diameter): | 10.9 m | 11.1 m | |
| Permitted trailer load with brakes (12%): | 4309 kg | ||
| Tire size: | 245/35 ZR19; 325/30 ZR19 | 255/70 R17; 265/70 R17; 265/65 R18 | 245/70 R16 |
| Wheel rims size: | 9J x 19; 12J x 19 | 8.0J x 17; 8.5J x 18 | R16 |