2006 BMW 525 vs. 1998 Daihatsu Sirion
To start off, 2006 BMW 525 is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1998 Daihatsu Sirion would be higher. At 2,497 cc (6 cylinders), 2006 BMW 525 is equipped with a bigger engine. In terms of performance, 2006 BMW 525 (215 HP @ 6500 RPM) has 115 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM). In normal driving conditions, 2006 BMW 525 should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 525 weights approximately 780 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1998 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 525. In wet, icy, snow, or gravel driving conditions, 1998 Daihatsu Sirion 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 525 (251 Nm @ 2750 RPM) has 131 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2006 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 2006 BMW 525 | 1998 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 525 | Sirion |
| Year Released | 2006 | 1998 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 100 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 251 Nm | 120 Nm |
| Torque RPM | 2750 RPM | 4400 RPM |
| Engine Bore Size | 78.8 mm | 72 mm |
| Engine Stroke Size | 82 mm | 79.7 mm |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1680 kg | 900 kg |
| Vehicle Length | 4850 mm | 3680 mm |
| Vehicle Width | 1850 mm | 1600 mm |
| Vehicle Height | 1500 mm | 1460 mm |
| Wheelbase Size | 2840 mm | 2350 mm |
| Fuel Tank Capacity | 70 L | 37 L |
