2008 BMW X5 vs. 2003 BMW 730
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 730. In addition, the cost of maintenance, including insurance, on 2003 BMW 730 would be higher. At 2,999 cc (6 cylinders), 2003 BMW 730 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 290 kg more than 2003 BMW 730.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 300 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. 2003 BMW 730 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 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 2003 BMW 730 | |
| Make | BMW | BMW |
| Model | X5 | 730 |
| Year Released | 2008 | 2003 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2977 cc | 2999 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 0 HP | 228 HP |
| Torque | 300 Nm | 300 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 84.1 mm |
| Engine Stroke Size | 89.6 mm | 90 mm |
| Engine Compression Ratio | 10.2:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2080 kg | 1790 kg |
| Vehicle Length | 4870 mm | 5040 mm |
| Vehicle Height | 1470 mm | 1500 mm |
| Wheelbase Size | 2830 mm | 3000 mm |
| Fuel Tank Capacity | 85 L | 63 L |
