2009 BMW 320 vs. 2006 Daihatsu Sirion
To start off, 2009 BMW 320 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2006 Daihatsu Sirion would be higher. At 1,995 cc (4 cylinders), 2009 BMW 320 is equipped with a bigger engine. In terms of performance, 2009 BMW 320 (148 HP @ 4000 RPM) has 62 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 320 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 320 weights approximately 730 kg more than 2006 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 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 2009 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2009 BMW 320 (330 Nm @ 2000 RPM) has 210 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2009 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2009 BMW 320 | 2006 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 320 | Sirion |
| Year Released | 2009 | 2006 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 86 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 330 Nm | 120 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72.1 mm |
| Engine Stroke Size | 90 mm | 79.7 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1470 kg | 740 kg |
| Vehicle Length | 4270 mm | 3400 mm |
| Vehicle Height | 1410 mm | 1250 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Consumption Overall | 5.8 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
