2006 Daihatsu Sirion vs. 2013 BMW 3 Series
To start off, 2013 BMW 3 Series is newer by 7 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 2,979 cc (6 cylinders), 2013 BMW 3 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 3 Series (227 HP @ 6500 RPM) has 141 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2013 BMW 3 Series should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 3 Series weights approximately 795 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 2013 BMW 3 Series is all wheel drive (AWD), it will have significant more traction and grip than 2006 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2013 BMW 3 Series 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, 2013 BMW 3 Series (271 Nm @ 2750 RPM) has 150 more torque (in Nm) than 2006 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2013 BMW 3 Series will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion. 2013 BMW 3 Series has automatic transmission and 2006 Daihatsu Sirion has manual transmission. 2006 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 3 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Daihatsu Sirion | 2013 BMW 3 Series | |
| Make | Daihatsu | BMW |
| Model | Sirion | 3 Series |
| Year Released | 2006 | 2013 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 227 HP |
| Engine RPM | 6000 RPM | 6500 RPM |
| Torque | 121 Nm | 271 Nm |
| Torque RPM | 3200 RPM | 2750 RPM |
| Engine Bore Size | 72 mm | 85 mm |
| Engine Stroke Size | 79.7 mm | 88 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 180 km/hour | 210 km/hour |
| Drive Type | Front | AWD |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 830 kg | 1625 kg |
| Vehicle Length | 3400 mm | 4620 mm |
| Vehicle Height | 1250 mm | 1395 mm |
| Wheelbase Size | 2440 mm | 2760 mm |
| Fuel Tank Capacity | 40 L | 61 L |
