2007 BMW Z4 vs. 2008 BMW X3
To start off, 2008 BMW X3 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 2,979 cc (6 cylinders), 2008 BMW X3 is equipped with a bigger engine. In terms of performance, 2008 BMW X3 (228 HP @ 5900 RPM) has 13 more horse power than 2007 BMW Z4. (215 HP @ 6500 RPM) In normal driving conditions, 2008 BMW X3 should accelerate faster than 2007 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 475 kg more than 2007 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 (300 Nm @ 3500 RPM) has 50 more torque (in Nm) than 2007 BMW Z4. (250 Nm @ 2750 RPM). This means 2008 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 2008 BMW X3 | |
| Make | BMW | BMW |
| Model | Z4 | X3 |
| Year Released | 2007 | 2008 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 228 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 250 Nm | 300 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Bore Size | 82 mm | 84 mm |
| Engine Stroke Size | 78.8 mm | 89.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 227 km/hour | 210 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 10 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1290 kg | 1765 kg |
| Vehicle Length | 4100 mm | 4580 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1310 mm | 1680 mm |
| Wheelbase Size | 2500 mm | 2800 mm |
| Fuel Consumption Overall | 9.5 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 55 L | 67 L |
