2001 Daihatsu Sirion vs. 2004 BMW 320
To start off, 2004 BMW 320 is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu Sirion would be higher. At 2,171 cc (6 cylinders), 2004 BMW 320 is equipped with a bigger engine. In terms of performance, 2004 BMW 320 (168 HP @ 6100 RPM) has 68 more horse power than 2001 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 2004 BMW 320 should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 320 weights approximately 600 kg more than 2001 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW 320 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 2004 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2001 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, 2004 BMW 320 (210 Nm @ 3500 RPM) has 89 more torque (in Nm) than 2001 Daihatsu Sirion. (121 Nm @ 4400 RPM). This means 2004 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion.
Compare all specifications:
| 2001 Daihatsu Sirion | 2004 BMW 320 | |
| Make | Daihatsu | BMW |
| Model | Sirion | 320 |
| Year Released | 2001 | 2004 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2171 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 168 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Torque | 121 Nm | 210 Nm |
| Torque RPM | 4400 RPM | 3500 RPM |
| Engine Bore Size | 72 mm | 80 mm |
| Engine Stroke Size | 79.7 mm | 72 mm |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 870 kg | 1470 kg |
| Vehicle Length | 3680 mm | 4480 mm |
| Vehicle Width | 1600 mm | 1750 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2380 mm | 2730 mm |
| Fuel Tank Capacity | 40 L | 63 L |
