2005 BMW X3 vs. 2008 BMW Z4
To start off, 2008 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW X3. In addition, the cost of maintenance, including insurance, on 2005 BMW X3 would be higher. At 2,996 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (328 HP @ 7900 RPM) has 100 more horse power than 2005 BMW X3. (228 HP @ 5900 RPM) In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2005 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X3 weights approximately 525 kg more than 2008 BMW Z4.
Because 2005 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2005 BMW X3 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, 2008 BMW Z4 (315 Nm @ 2750 RPM) has 15 more torque (in Nm) than 2005 BMW X3. (300 Nm @ 3500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW X3.
Compare all specifications:
| 2005 BMW X3 | 2008 BMW Z4 | |
| Make | BMW | BMW |
| Model | X3 | Z4 |
| Year Released | 2005 | 2008 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2996 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 328 HP |
| Engine RPM | 5900 RPM | 7900 RPM |
| Torque | 300 Nm | 315 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 205 km/hour | 239 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 6.2 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1310 kg |
| Vehicle Length | 4570 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1680 mm | 1310 mm |
| Wheelbase Size | 2730 mm | 2500 mm |
| Fuel Consumption Overall | 11.8 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 67 L | 55 L |
