2007 BMW 325 vs. 2005 Daihatsu Sirion
To start off, 2007 BMW 325 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 2,497 cc (6 cylinders), 2007 BMW 325 is equipped with a bigger engine. In terms of performance, 2007 BMW 325 (215 HP @ 6500 RPM) has 146 more horse power than 2005 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 325 should accelerate faster than 2005 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 325 weights approximately 630 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 325 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 325. 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 325 (251 Nm @ 2750 RPM) has 161 more torque (in Nm) than 2005 Daihatsu Sirion. (90 Nm @ 3600 RPM). This means 2007 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion. 2007 BMW 325 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 325 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 325 | 2005 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 325 | Sirion |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 987 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 69 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 251 Nm | 90 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Engine Bore Size | 78.8 mm | 71 mm |
| Engine Stroke Size | 82 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 13.9 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1520 kg | 890 kg |
| Vehicle Length | 4530 mm | 3610 mm |
| Vehicle Width | 1430 mm | 1670 mm |
| Vehicle Height | 1820 mm | 1560 mm |
| Wheelbase Size | 2770 mm | 2380 mm |
| Fuel Consumption Overall | 9 L/100km | 5 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
