2006 BMW X3 vs. 2004 BMW 545
To start off, 2006 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW 545. In addition, the cost of maintenance, including insurance, on 2004 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 545 is equipped with a bigger engine. In terms of performance, 2004 BMW 545 (315 HP @ 7750 RPM) has 87 more horse power than 2006 BMW X3. (228 HP @ 5900 RPM) In normal driving conditions, 2004 BMW 545 should accelerate faster than 2006 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 545 weights approximately 420 kg more than 2006 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 545. In wet, icy, snow, or gravel driving conditions, 2006 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, 2004 BMW 545 (447 Nm) has 147 more torque (in Nm) than 2006 BMW X3. (300 Nm). This means 2004 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW X3.
Compare all specifications:
| 2006 BMW X3 | 2004 BMW 545 | |
| Make | BMW | BMW |
| Model | X3 | 545 |
| Year Released | 2006 | 2004 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 315 HP |
| Engine RPM | 5900 RPM | 7750 RPM |
| Torque | 300 Nm | 447 Nm |
| Engine Compression Ratio | 10.2:1 | 10.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1360 kg | 1780 kg |
| Vehicle Length | 4570 mm | 4850 mm |
| Vehicle Width | 1860 mm | 1850 mm |
| Vehicle Height | 1680 mm | 1480 mm |
| Wheelbase Size | 2800 mm | 2830 mm |
| Fuel Consumption | 9.4 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 12.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 67 L | 70 L |
