2005 Porsche 911 vs. 2003 Jeep Grand Cherokee
To start off, 2005 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Jeep Grand Cherokee. In addition, the cost of maintenance, including insurance, on 2003 Jeep Grand Cherokee would be higher. At 3,960 cc (6 cylinders), 2003 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 4250 RPM) has 121 more horse power than 2003 Jeep Grand Cherokee. (195 HP @ 4600 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 2003 Jeep Grand Cherokee. With that said, vehicle weight also plays an important factor in acceleration. 2003 Jeep Grand Cherokee weights approximately 371 kg more than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Jeep Grand Cherokee. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 58 more torque (in Nm) than 2003 Jeep Grand Cherokee. (312 Nm @ 3000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2003 Jeep Grand Cherokee. 2003 Jeep Grand Cherokee has automatic transmission and 2005 Porsche 911 has manual transmission. 2005 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Jeep Grand Cherokee will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Porsche 911 | 2003 Jeep Grand Cherokee | |
| Make | Porsche | Jeep |
| Model | 911 | Grand Cherokee |
| Year Released | 2005 | 2003 |
| Body Type | Coupe | SUV |
| Engine Position | Rear | Front |
| Engine Size | 3596 cc | 3960 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 316 HP | 195 HP |
| Engine RPM | 4250 RPM | 4600 RPM |
| Torque | 370 Nm | 312 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Engine Bore Size | 96 mm | 98.3 mm |
| Engine Stroke Size | 82.8 mm | 86.6 mm |
| Engine Compression Ratio | 11.3:1 | 8.7:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1345 kg | 1716 kg |
| Vehicle Length | 4440 mm | 4620 mm |
| Vehicle Width | 1780 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1770 mm |
| Wheelbase Size | 2360 mm | 2700 mm |
