2003 BMW X3 vs. 1999 BMW 540
To start off, 2003 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 1999 BMW 540. In addition, the cost of maintenance, including insurance, on 1999 BMW 540 would be higher. At 4,398 cc (8 cylinders), 1999 BMW 540 is equipped with a bigger engine. In terms of performance, 1999 BMW 540 (282 HP @ 7400 RPM) has 93 more horse power than 2003 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 1999 BMW 540 should accelerate faster than 2003 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 44 kg more than 1999 BMW 540.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW 540. 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, 1999 BMW 540 (439 Nm) has 194 more torque (in Nm) than 2003 BMW X3. (245 Nm). This means 1999 BMW 540 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X3.
Compare all specifications:
| 2003 BMW X3 | 1999 BMW 540 | |
| Make | BMW | BMW |
| Model | X3 | 540 |
| Year Released | 2003 | 1999 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 282 HP |
| Engine RPM | 6000 RPM | 7400 RPM |
| Torque | 245 Nm | 439 Nm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1771 kg |
| Vehicle Length | 4570 mm | 4780 mm |
| Vehicle Width | 1860 mm | 1810 mm |
| Vehicle Height | 1680 mm | 1440 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
