2006 BMW Z4 vs. 2003 BMW X3
To start off, 2006 BMW Z4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 BMW X3. In addition, the cost of maintenance, including insurance, on 2003 BMW X3 would be higher. At 2,494 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, both vehicles can yield 189 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 480 kg more than 2006 BMW Z4.
Because 2003 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, 2003 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, both vehicles can yield 245 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
2006 BMW Z4 | 2003 BMW X3 | |
Make | BMW | BMW |
Model | Z4 | X3 |
Year Released | 2006 | 2003 |
Body Type | Convertible | SUV |
Engine Position | Front | Front |
Engine Size | 2492 cc | 2494 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 189 HP | 189 HP |
Engine RPM | 6000 RPM | 6000 RPM |
Torque | 245 Nm | 245 Nm |
Torque RPM | 3500 RPM | 3500 RPM |
Engine Bore Size | 84 mm | 84 mm |
Engine Stroke Size | 75 mm | 75 mm |
Engine Compression Ratio | 11.0:1 | 10.5:1 |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1335 kg | 1815 kg |
Vehicle Length | 4100 mm | 4570 mm |
Vehicle Width | 1790 mm | 1860 mm |
Vehicle Height | 1310 mm | 1680 mm |
Wheelbase Size | 2500 mm | 2890 mm |
Fuel Tank Capacity | 55 L | 67 L |