2008 BMW X3 vs. 2006 BMW Z4
To start off, 2008 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW Z4. In addition, the cost of maintenance, including insurance, on 2006 BMW Z4 would be higher. At 2,492 cc (6 cylinders), 2008 BMW X3 is equipped with a bigger engine. In terms of performance, 2008 BMW X3 (189 HP @ 6000 RPM) has 41 more horse power than 2006 BMW Z4. (148 HP @ 6200 RPM). In normal driving conditions, 2008 BMW X3 should accelerate faster than 2006 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 414 kg more than 2006 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 BMW X3 (245 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2006 BMW Z4. (200 Nm @ 3600 RPM). This means 2008 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW Z4.
Compare all specifications:
| 2008 BMW X3 | 2006 BMW Z4 | |
| Make | BMW | BMW |
| Model | X3 | Z4 |
| Year Released | 2008 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 148 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 245 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 75 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 213 km/hour | 220 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 8.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1326 kg |
| Vehicle Length | 4870 mm | 4100 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2500 mm |
| Fuel Consumption Overall | 12.9 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 67 L | 55 L |
