2003 BMW 320 vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 7 year(s). Which means there will be less support and parts availability for 2003 BMW 320. In addition, the cost of maintenance, including insurance, on 2003 BMW 320 would be higher. At 1,995 cc (4 cylinders), 2003 BMW 320 is equipped with a bigger engine. In terms of performance, 2003 BMW 320 (148 HP @ 5900 RPM) has 79 more horse power than 2010 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2003 BMW 320 should accelerate faster than 2010 Daihatsu Sirion.
Because 2003 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 2003 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2010 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, 2003 BMW 320 (210 Nm @ 3750 RPM) has 116 more torque (in Nm) than 2010 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2003 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion.
Compare all specifications:
| 2003 BMW 320 | 2010 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 320 | Sirion |
| Year Released | 2003 | 2010 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 69 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 210 Nm | 94 Nm |
| Torque RPM | 3750 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 71.1 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
