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 127 more horse power than 2005 Daihatsu Sirion. (88 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 735 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 four wheel drive (4WD), it will have significant more traction and grip than 2005 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2007 BMW 325 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, 2007 BMW 325 (250 Nm @ 2750 RPM) has 130 more torque (in Nm) than 2005 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2007 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW 325 | 2005 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 325 | Sirion |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1295 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 88 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 250 Nm | 120 Nm |
| Torque RPM | 2750 RPM | 3200 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 235 km/hour | 170 km/hour |
| Acceleration 0-100mph | 7.7 seconds | 11.3 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1675 kg | 940 kg |
| Vehicle Length | 4480 mm | 3610 mm |
| Vehicle Width | 1820 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2770 mm | 2350 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
