2005 Jeep Liberty vs. 1999 Porsche 911
To start off, 2005 Jeep Liberty is newer by 6 year(s). Which means there will be less support and parts availability for 1999 Porsche 911. In addition, the cost of maintenance, including insurance, on 1999 Porsche 911 would be higher. At 3,600 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6200 RPM) has 270 more horse power than 2005 Jeep Liberty. (144 HP @ 5200 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 2005 Jeep Liberty. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jeep Liberty weights approximately 227 kg more than 1999 Porsche 911.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 345 more torque (in Nm) than 2005 Jeep Liberty. (215 Nm @ 4000 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Jeep Liberty. 1999 Porsche 911 has automatic transmission and 2005 Jeep Liberty has manual transmission. 2005 Jeep Liberty will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Jeep Liberty | 1999 Porsche 911 | |
| Make | Jeep | Porsche |
| Model | Liberty | 911 |
| Year Released | 2005 | 1999 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2425 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 144 HP | 414 HP |
| Engine RPM | 5200 RPM | 6200 RPM |
| Torque | 215 Nm | 560 Nm |
| Torque RPM | 4000 RPM | 2700 RPM |
| Engine Bore Size | 87.5 mm | 100 mm |
| Engine Stroke Size | 101 mm | 76.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1812 kg | 1585 kg |
| Vehicle Length | 4440 mm | 4440 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1790 mm | 1300 mm |
| Wheelbase Size | 2660 mm | 2360 mm |
| Fuel Tank Capacity | 72 L | 64 L |
