2008 BMW X3 vs. 2004 BMW Z4
To start off, 2008 BMW X3 is newer by 4 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 2,996 cc (6 cylinders), 2008 BMW X3 is equipped with a bigger engine. In terms of performance, 2008 BMW X3 (260 HP @ 6600 RPM) has 92 more horse power than 2004 BMW Z4. (168 HP @ 6250 RPM). In normal driving conditions, 2008 BMW X3 should accelerate faster than 2004 BMW Z4. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X3 weights approximately 190 kg more than 2004 BMW Z4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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, 2008 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 X3 (305 Nm @ 2750 RPM) has 95 more torque (in Nm) than 2004 BMW Z4. (210 Nm @ 3500 RPM). This means 2008 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW Z4.
Compare all specifications:
| 2008 BMW X3 | 2004 BMW Z4 | |
| Make | BMW | BMW |
| Model | X3 | Z4 |
| Year Released | 2008 | 2004 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 168 HP |
| Engine RPM | 6600 RPM | 6250 RPM |
| Torque | 305 Nm | 210 Nm |
| Torque RPM | 2750 RPM | 3500 RPM |
| Engine Compression Ratio | 10.7:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1515 kg | 1325 kg |
| Vehicle Length | 4580 mm | 4100 mm |
| Vehicle Width | 1860 mm | 1790 mm |
| Vehicle Height | 1680 mm | 1310 mm |
| Wheelbase Size | 2800 mm | 2500 mm |
| Fuel Consumption Overall | 12.4 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 67 L | 55 L |
