2008 BMW Z4 vs. 2004 Jeep Liberty
To start off, 2008 BMW Z4 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Jeep Liberty. In addition, the cost of maintenance, including insurance, on 2004 Jeep Liberty would be higher. At 3,685 cc (6 cylinders), 2004 Jeep Liberty is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 128 more horse power than 2004 Jeep Liberty. (210 HP @ 3800 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2004 Jeep Liberty. With that said, vehicle weight also plays an important factor in acceleration. 2004 Jeep Liberty weights approximately 170 kg more than 2008 BMW Z4.
Let's talk about torque, 2008 BMW Z4 (365 Nm) has 46 more torque (in Nm) than 2004 Jeep Liberty. (319 Nm). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Jeep Liberty.
Compare all specifications:
| 2008 BMW Z4 | 2004 Jeep Liberty | |
| Make | BMW | Jeep |
| Model | Z4 | Liberty |
| Year Released | 2008 | 2004 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 3685 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 338 HP | 210 HP |
| Engine RPM | 7900 RPM | 3800 RPM |
| Torque | 365 Nm | 319 Nm |
| Engine Bore Size | 91 mm | 93 mm |
| Engine Stroke Size | 87 mm | 91 mm |
| Engine Compression Ratio | 11.5:1 | 9.1:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1485 kg | 1655 kg |
| Vehicle Length | 4870 mm | 4440 mm |
| Vehicle Height | 1480 mm | 1790 mm |
| Wheelbase Size | 2500 mm | 2660 mm |
| Fuel Consumption Overall | 12.1 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 70 L | 74 L |
