1988 BMW 525 vs. 2007 Daihatsu Sirion
To start off, 2007 Daihatsu Sirion is newer by 19 year(s). Which means there will be less support and parts availability for 1988 BMW 525. In addition, the cost of maintenance, including insurance, on 1988 BMW 525 would be higher. At 2,494 cc (6 cylinders), 1988 BMW 525 is equipped with a bigger engine. In terms of performance, 1988 BMW 525 (165 HP @ 5800 RPM) has 79 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 1988 BMW 525 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW 525 weights approximately 650 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1988 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 1988 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2007 Daihatsu Sirion, 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, 1988 BMW 525 (239 Nm @ 4300 RPM) has 119 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 1988 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 1988 BMW 525 | 2007 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 525 | Sirion |
| Year Released | 1988 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 165 HP | 86 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 239 Nm | 120 Nm |
| Torque RPM | 4300 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 75 mm | 79.7 mm |
| Engine Compression Ratio | 8.8:1 | 10.0:1 |
| Top Speed | 214 km/hour | 180 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1575 kg | 925 kg |
| Vehicle Length | 4730 mm | 3610 mm |
| Vehicle Width | 1760 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2630 mm | 2440 mm |
| Fuel Tank Capacity | 80 L | 40 L |
