1987 BMW 320 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 19 year(s). Which means there will be less support and parts availability for 1987 BMW 320. In addition, the cost of maintenance, including insurance, on 1987 BMW 320 would be higher. At 2,981 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 36 more horse power than 1987 BMW 320. (189 HP @ 6900 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 1987 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 617 kg more than 1987 BMW 320. 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 1987 BMW 320. 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 (290 Nm @ 3500 RPM) has 80 more torque (in Nm) than 1987 BMW 320. (210 Nm @ 4900 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1987 BMW 320.
Compare all specifications:
| 1987 BMW 320 | 2006 BMW X5 | |
| Make | BMW | BMW |
| Model | 320 | X5 |
| Year Released | 1987 | 2006 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 2981 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 225 HP |
| Engine RPM | 6900 RPM | 5900 RPM |
| Torque | 210 Nm | 290 Nm |
| Torque RPM | 4900 RPM | 3500 RPM |
| Engine Bore Size | 93.4 mm | 84 mm |
| Engine Stroke Size | 72.7 mm | 89.6 mm |
| Engine Compression Ratio | 10.8:1 | 10.2:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1218 kg | 1835 kg |
| Vehicle Length | 4330 mm | 4670 mm |
| Vehicle Width | 1650 mm | 1880 mm |
| Vehicle Height | 1390 mm | 1770 mm |
| Wheelbase Size | 2580 mm | 2830 mm |
| Fuel Tank Capacity | 70 L | 92 L |
