2007 BMW X3 vs. 2004 BMW Z4
To start off, 2007 BMW X3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 BMW Z4. In addition, the cost of maintenance, including insurance, on 2004 BMW Z4 would be higher. At 2,983 cc (6 cylinders), 2004 BMW Z4 is equipped with a bigger engine. In terms of performance, 2004 BMW Z4 (225 HP @ 5900 RPM) has 76 more horse power than 2007 BMW X3. (149 HP @ 4000 RPM) In normal driving conditions, 2004 BMW Z4 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 345 kg more than 2004 BMW Z4.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X3 (330 Nm @ 2000 RPM) has 30 more torque (in Nm) than 2004 BMW Z4. (300 Nm @ 3500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2007 BMW X3 | 2004 BMW Z4 | |
| Make | BMW | BMW |
| Model | X3 | Z4 |
| Year Released | 2007 | 2004 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2983 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 149 HP | 225 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Compression Ratio | 17.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 215 km/hour | 245 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1740 kg | 1395 kg |
| Vehicle Length | 4570 mm | 4100 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Vehicle Height | 1860 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2500 mm |
| Fuel Consumption Overall | 6.5 L/100km | 9.1 L/100km |
| Fuel Tank Capacity | 67 L | 55 L |
