2008 BMW X5 vs. 2003 BMW 545
To start off, 2008 BMW X5 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 BMW 545. In addition, the cost of maintenance, including insurance, on 2003 BMW 545 would be higher. At 4,398 cc (8 cylinders), 2003 BMW 545 is equipped with a bigger engine. In terms of performance, 2003 BMW 545 (328 HP @ 6100 RPM) has 100 more horse power than 2008 BMW X5. (228 HP @ 3500 RPM) In normal driving conditions, 2003 BMW 545 should accelerate faster than 2008 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 400 kg more than 2003 BMW 545.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW 545. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 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, 2003 BMW 545 (451 Nm @ 3600 RPM) has 151 more torque (in Nm) than 2008 BMW X5. (300 Nm @ 3500 RPM). This means 2003 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW X5. 2003 BMW 545 has automatic transmission and 2008 BMW X5 has manual transmission. 2008 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 2003 BMW 545 | |
| Make | BMW | BMW |
| Model | X5 | 545 |
| Year Released | 2008 | 2003 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 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 | 328 HP |
| Engine RPM | 3500 RPM | 6100 RPM |
| Torque | 300 Nm | 451 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Top Speed | 197 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 5.9 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2070 kg | 1670 kg |
| Vehicle Length | 4670 mm | 4850 mm |
| Vehicle Width | 1880 mm | 1850 mm |
| Vehicle Height | 1720 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2890 mm |
| Fuel Consumption Overall | 12.7 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 93 L | 70 L |
