1981 BMW 525 vs. 2001 Proton Impian
To start off, 2001 Proton Impian is newer by 20 year(s). Which means there will be less support and parts availability for 1981 BMW 525. In addition, the cost of maintenance, including insurance, on 1981 BMW 525 would be higher. At 2,495 cc (6 cylinders), 1981 BMW 525 is equipped with a bigger engine. In terms of performance, 1981 BMW 525 (148 HP @ 5500 RPM) has 47 more horse power than 2001 Proton Impian. (101 HP @ 6000 RPM). In normal driving conditions, 1981 BMW 525 should accelerate faster than 2001 Proton Impian. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 525 weights approximately 75 kg more than 2001 Proton Impian. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1981 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2001 Proton Impian, being front wheel drive (FWD), will offer much better control with better grip. 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, 1981 BMW 525 (215 Nm @ 4000 RPM) has 75 more torque (in Nm) than 2001 Proton Impian. (140 Nm @ 2750 RPM). This means 1981 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2001 Proton Impian.
Compare all specifications:
| 1981 BMW 525 | 2001 Proton Impian | |
| Make | BMW | Proton |
| Model | 525 | Impian |
| Year Released | 1981 | 2001 |
| Engine Size | 2495 cc | 1583 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 148 HP | 101 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 215 Nm | 140 Nm |
| Torque RPM | 4000 RPM | 2750 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1280 kg | 1205 kg |
| Vehicle Length | 4780 mm | 4470 mm |
| Vehicle Width | 1810 mm | 1750 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2630 mm | 2610 mm |
