2007 Daihatsu Sirion vs. 2006 BMW 320
To start off, 2007 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2006 BMW 320. In addition, the cost of maintenance, including insurance, on 2006 BMW 320 would be higher. At 1,995 cc (4 cylinders), 2006 BMW 320 is equipped with a bigger engine. In terms of performance, 2006 BMW 320 (161 HP @ 4000 RPM) has 75 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2006 BMW 320 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 320 weights approximately 760 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 BMW 320. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2006 BMW 320 (340 Nm @ 2000 RPM) has 220 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2006 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2006 BMW 320 has automatic transmission and 2007 Daihatsu Sirion has manual transmission. 2007 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 320 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Daihatsu Sirion | 2006 BMW 320 | |
| Make | Daihatsu | BMW |
| Model | Sirion | 320 |
| Year Released | 2007 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 161 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 120 Nm | 340 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 72 mm | 84 mm |
| Engine Stroke Size | 79.7 mm | 90 mm |
| Engine Compression Ratio | 10.0:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 180 km/hour | 225 km/hour |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 925 kg | 1685 kg |
| Vehicle Length | 3610 mm | 4530 mm |
| Vehicle Width | 1670 mm | 1820 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2440 mm | 2770 mm |
| Fuel Consumption Overall | 5 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 40 L | 60 L |
