2007 BMW 120 vs. 2005 Daihatsu Sirion
To start off, 2007 BMW 120 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2005 Daihatsu Sirion would be higher. At 1,995 cc (4 cylinders), 2007 BMW 120 is equipped with a bigger engine. In terms of performance, 2007 BMW 120 (148 HP @ 6200 RPM) has 76 more horse power than 2005 Daihatsu Sirion. (72 HP @ 5200 RPM). In normal driving conditions, 2007 BMW 120 should accelerate faster than 2005 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 120 weights approximately 500 kg more than 2005 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 120 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 2007 BMW 120. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2007 BMW 120 (200 Nm @ 3600 RPM) has 98 more torque (in Nm) than 2005 Daihatsu Sirion. (102 Nm @ 3600 RPM). This means 2007 BMW 120 will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion. 2007 BMW 120 has automatic transmission and 2005 Daihatsu Sirion has manual transmission. 2005 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 120 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 120 | 2005 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 120 | Sirion |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 72 HP |
| Engine RPM | 6200 RPM | 5200 RPM |
| Torque | 200 Nm | 102 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1350 kg | 850 kg |
| Vehicle Length | 4230 mm | 3680 mm |
| Vehicle Width | 1440 mm | 1600 mm |
| Vehicle Height | 1760 mm | 1460 mm |
| Wheelbase Size | 2670 mm | 2350 mm |
