1986 BMW 325 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 20 year(s). Which means there will be less support and parts availability for 1986 BMW 325. In addition, the cost of maintenance, including insurance, on 1986 BMW 325 would be higher. At 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 57 more horse power than 1986 BMW 325. (171 HP @ 5800 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 1986 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 375 kg more than 1986 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1986 BMW 325. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 BMW X5 (300 Nm @ 3500 RPM) has 74 more torque (in Nm) than 1986 BMW 325. (226 Nm @ 4000 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1986 BMW 325.
Compare all specifications:
| 1986 BMW 325 | 2006 BMW X5 | |
| Make | BMW | BMW |
| Model | 325 | X5 |
| Year Released | 1986 | 2006 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2493 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 171 HP | 228 HP |
| Engine RPM | 5800 RPM | 3500 RPM |
| Torque | 226 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Compression Ratio | 9.7:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1255 kg | 1630 kg |
| Vehicle Length | 4330 mm | 4670 mm |
| Vehicle Width | 1650 mm | 1880 mm |
| Vehicle Height | 1390 mm | 1720 mm |
| Wheelbase Size | 2630 mm | 2830 mm |
| Fuel Tank Capacity | 90 L | 93 L |
