2004 BMW X3 vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW X3. In addition, the cost of maintenance, including insurance, on 2004 BMW X3 would be higher. At 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (338 HP @ 7900 RPM) has 113 more horse power than 2004 BMW X3. (225 HP @ 7400 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2004 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW X3 weights approximately 340 kg more than 2006 BMW Z4.
Because 2004 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2004 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, 2006 BMW Z4 (365 Nm) has 75 more torque (in Nm) than 2004 BMW X3. (290 Nm). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW X3.
Compare all specifications:
| 2004 BMW X3 | 2006 BMW Z4 | |
| Make | BMW | BMW |
| Model | X3 | Z4 |
| Year Released | 2004 | 2006 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2925 cc | 3246 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 225 HP | 338 HP |
| Engine RPM | 7400 RPM | 7900 RPM |
| Torque | 290 Nm | 365 Nm |
| Engine Compression Ratio | 10.2:1 | 11.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1825 kg | 1485 kg |
| Vehicle Length | 4570 mm | 4120 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1680 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2500 mm |
| Fuel Consumption Overall | 11.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 67 L | 55 L |
