2009 BMW 135 vs. 2007 Daihatsu Sirion
To start off, 2009 BMW 135 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2007 Daihatsu Sirion would be higher. At 2,979 cc (6 cylinders), 2009 BMW 135 is equipped with a bigger engine. In terms of performance, 2009 BMW 135 (301 HP @ 5800 RPM) has 232 more horse power than 2007 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 135 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 135 weights approximately 631 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 2009 BMW 135 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 135. 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, 2009 BMW 135 (407 Nm @ 1400 RPM) has 313 more torque (in Nm) than 2007 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2009 BMW 135 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2009 BMW 135 | 2007 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 135 | Sirion |
| Year Released | 2009 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 69 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 407 Nm | 94 Nm |
| Torque RPM | 1400 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 71 mm |
| Engine Stroke Size | 89.6 mm | 84 mm |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 160 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 13.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1525 kg | 894 kg |
| Vehicle Length | 4370 mm | 3610 mm |
| Vehicle Width | 1750 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2670 mm | 2440 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5 L/100km |
| Fuel Tank Capacity | 53 L | 40 L |
