2007 Jeep Grand Cherokee vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 2007 Jeep Grand Cherokee would be higher. At 4,701 cc (8 cylinders), 2007 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 115 more horse power than 2007 Jeep Grand Cherokee. (235 HP @ 4500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 2007 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 753 kg more than 2007 Jeep Grand Cherokee. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Jeep Grand Cherokee is four wheel drive (4WD), it will have significant more traction and grip than 2009 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2007 Jeep Grand Cherokee will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Jeep Grand Cherokee (414 Nm @ 3600 RPM) has 14 more torque (in Nm) than 2009 Porsche 911. (400 Nm @ 4600 RPM). This means 2007 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 2009 Porsche 911. 2007 Jeep Grand Cherokee has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Jeep Grand Cherokee | 2009 Porsche 911 | |
| Make | Jeep | Porsche |
| Model | Grand Cherokee | 911 |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4701 cc | 3823 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 235 HP | 350 HP |
| Engine RPM | 4500 RPM | 6600 RPM |
| Torque | 414 Nm | 400 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 86.7 mm | 82.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1677 kg | 2430 kg |
| Vehicle Length | 4750 mm | 4440 mm |
| Vehicle Width | 1870 mm | 1310 mm |
| Vehicle Height | 1730 mm | 1780 mm |
| Wheelbase Size | 2790 mm | 2360 mm |
| Fuel Consumption Overall | 13.8 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 80 L | 64 L |
