2007 BMW X3 vs. 1998 BMW 730
To start off, 2007 BMW X3 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 BMW 730. In addition, the cost of maintenance, including insurance, on 1998 BMW 730 would be higher. At 2,793 cc (6 cylinders), 1998 BMW 730 is equipped with a bigger engine. In terms of performance, 1998 BMW 730 (190 HP @ 5300 RPM) has 1 more horse power than 2007 BMW X3. (189 HP @ 6000 RPM) In normal driving conditions, 1998 BMW 730 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 1998 BMW 730 weights approximately 5 kg more than 2007 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 730. In wet, icy, snow, or gravel driving conditions, 2007 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, 1998 BMW 730 (280 Nm @ 3950 RPM) has 35 more torque (in Nm) than 2007 BMW X3. (245 Nm @ 3500 RPM). This means 1998 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 1998 BMW 730 | |
| Make | BMW | BMW |
| Model | X3 | 730 |
| Year Released | 2007 | 1998 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2793 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 190 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 245 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 3950 RPM |
| Engine Bore Size | 84.1 mm | 84.1 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1740 kg | 1745 kg |
| Vehicle Length | 4570 mm | 5130 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1860 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2940 mm |
| Fuel Tank Capacity | 67 L | 90 L |
