1999 Jeep Wrangler vs. 2007 Jeep Liberty
To start off, 2007 Jeep Liberty is newer by 8 year(s). Which means there will be less support and parts availability for 1999 Jeep Wrangler. In addition, the cost of maintenance, including insurance, on 1999 Jeep Wrangler would be higher. At 3,700 cc (6 cylinders), 2007 Jeep Liberty is equipped with a bigger engine. In terms of performance, 2007 Jeep Liberty (210 HP @ 5200 RPM) has 88 more horse power than 1999 Jeep Wrangler. (122 HP @ 5300 RPM) In normal driving conditions, 2007 Jeep Liberty should accelerate faster than 1999 Jeep Wrangler. With that said, vehicle weight also plays an important factor in acceleration. 2007 Jeep Liberty weights approximately 636 kg more than 1999 Jeep Wrangler. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Jeep Liberty (319 Nm @ 4000 RPM) has 126 more torque (in Nm) than 1999 Jeep Wrangler. (193 Nm @ 2900 RPM). This means 2007 Jeep Liberty will have an easier job in driving up hills or pulling heavy equipment than 1999 Jeep Wrangler.
Compare all specifications:
| 1999 Jeep Wrangler | 2007 Jeep Liberty | |
| Make | Jeep | Jeep |
| Model | Wrangler | Liberty |
| Year Released | 1999 | 2007 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2463 cc | 3700 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 122 HP | 210 HP |
| Engine RPM | 5300 RPM | 5200 RPM |
| Torque | 193 Nm | 319 Nm |
| Torque RPM | 2900 RPM | 4000 RPM |
| Engine Bore Size | 98.3 mm | 93 mm |
| Engine Stroke Size | 81 mm | 90.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1395 kg | 2031 kg |
| Vehicle Length | 3890 mm | 4440 mm |
| Vehicle Width | 1700 mm | 1830 mm |
| Vehicle Height | 1790 mm | 1790 mm |
| Wheelbase Size | 2380 mm | 2660 mm |
| Fuel Tank Capacity | 57 L | 78 L |
