1991 BMW Z1 vs. 2005 Jeep Liberty
To start off, 2005 Jeep Liberty is newer by 14 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 3,687 cc (6 cylinders), 2005 Jeep Liberty is equipped with a bigger engine. In terms of performance, 2005 Jeep Liberty (210 HP @ 3800 RPM) has 35 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2005 Jeep Liberty should accelerate faster than 1991 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2005 Jeep Liberty weights approximately 586 kg more than 1991 BMW Z1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Jeep Liberty is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2005 Jeep Liberty 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 Jeep Liberty (319 Nm) has 89 more torque (in Nm) than 1991 BMW Z1. (230 Nm). This means 2005 Jeep Liberty will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1.
Compare all specifications:
| 1991 BMW Z1 | 2005 Jeep Liberty | |
| Make | BMW | Jeep |
| Model | Z1 | Liberty |
| Year Released | 1991 | 2005 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 3687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 175 HP | 210 HP |
| Engine RPM | 5800 RPM | 3800 RPM |
| Torque | 230 Nm | 319 Nm |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 91 mm |
| Engine Compression Ratio | 11.0:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1836 kg |
| Vehicle Length | 3960 mm | 4440 mm |
| Vehicle Width | 1810 mm | 1830 mm |
| Vehicle Height | 1280 mm | 1790 mm |
| Wheelbase Size | 2450 mm | 2660 mm |
