2005 BMW 320 vs. 1998 Daihatsu Sirion
To start off, 2005 BMW 320 is newer by 7 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 1,995 cc (4 cylinders), 2005 BMW 320 is equipped with a bigger engine. In terms of performance, 2005 BMW 320 (148 HP @ 4000 RPM) has 48 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM). In normal driving conditions, 2005 BMW 320 should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 320 weights approximately 786 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 2005 BMW 320. 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, 2005 BMW 320 (330 Nm @ 2000 RPM) has 210 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2005 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion.
Compare all specifications:
| 2005 BMW 320 | 1998 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 320 | Sirion |
| Year Released | 2005 | 1998 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 100 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 330 Nm | 120 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 90 mm | 79.7 mm |
| Engine Compression Ratio | 17.0:1 | 11.0:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1686 kg | 900 kg |
| Vehicle Length | 4490 mm | 3680 mm |
| Vehicle Width | 1760 mm | 1600 mm |
| Vehicle Height | 1380 mm | 1460 mm |
| Wheelbase Size | 2730 mm | 2350 mm |
| Fuel Tank Capacity | 63 L | 37 L |
