2005 Jeep Grand Cherokee vs. 1981 Porsche 911
To start off, 2005 Jeep Grand Cherokee is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Porsche 911. In addition, the cost of maintenance, including insurance, on 1981 Porsche 911 would be higher. At 3,704 cc (6 cylinders), 2005 Jeep Grand Cherokee is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 22 more horse power than 2005 Jeep Grand Cherokee. (210 HP @ 3800 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 2005 Jeep Grand Cherokee.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Jeep Grand Cherokee (319 Nm @ 4000 RPM) has 35 more torque (in Nm) than 1981 Porsche 911. (284 Nm @ 4800 RPM). This means 2005 Jeep Grand Cherokee will have an easier job in driving up hills or pulling heavy equipment than 1981 Porsche 911.
Compare all specifications:
| 2005 Jeep Grand Cherokee | 1981 Porsche 911 | |
| Make | Jeep | Porsche |
| Model | Grand Cherokee | 911 |
| Year Released | 2005 | 1981 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 3704 cc | 3164 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 210 HP | 232 HP |
| Engine RPM | 3800 RPM | 5900 RPM |
| Torque | 319 Nm | 284 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Engine Bore Size | 93 mm | 95 mm |
| Engine Stroke Size | 91 mm | 74.4 mm |
| Engine Compression Ratio | 9.6:1 | 10.3:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4750 mm | 4300 mm |
| Vehicle Width | 1870 mm | 1660 mm |
| Vehicle Height | 1730 mm | 1330 mm |
| Wheelbase Size | 2790 mm | 2270 mm |
| Fuel Tank Capacity | 78 L | 80 L |
