2007 BMW X5 vs. 1998 BMW 323
To start off, 2007 BMW X5 is newer by 9 year(s). Which means there will be less support and parts availability for 1998 BMW 323. In addition, the cost of maintenance, including insurance, on 1998 BMW 323 would be higher. At 4,398 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (316 HP @ 6100 RPM) has 148 more horse power than 1998 BMW 323. (168 HP @ 5500 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1998 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 601 kg more than 1998 BMW 323. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1998 BMW 323. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X5 (440 Nm @ 3700 RPM) has 195 more torque (in Nm) than 1998 BMW 323. (245 Nm @ 3950 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1998 BMW 323. 2007 BMW X5 has automatic transmission and 1998 BMW 323 has manual transmission. 1998 BMW 323 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X5 | 1998 BMW 323 | |
| Make | BMW | BMW |
| Model | X5 | 323 |
| Year Released | 2007 | 1998 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 316 HP | 168 HP |
| Engine RPM | 6100 RPM | 5500 RPM |
| Torque | 440 Nm | 245 Nm |
| Torque RPM | 3700 RPM | 3950 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 82.7 mm | 75 mm |
| Top Speed | 229 km/hour | 230 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 7.8 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 2196 kg | 1595 kg |
| Vehicle Length | 4670 mm | 4220 mm |
| Vehicle Width | 1710 mm | 1700 mm |
| Vehicle Height | 1880 mm | 1380 mm |
| Wheelbase Size | 2830 mm | 2710 mm |
| Fuel Tank Capacity | 85 L | 55 L |
