2008 BMW 325 vs. 2006 Daihatsu Sirion
To start off, 2008 BMW 325 is newer by 2 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 2,494 cc (6 cylinders), 2008 BMW 325 is equipped with a bigger engine. In terms of performance, 2008 BMW 325 (189 HP @ 6000 RPM) has 103 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2008 BMW 325 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 325 weights approximately 745 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 2008 BMW 325 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 BMW 325 (245 Nm @ 3500 RPM) has 124 more torque (in Nm) than 2006 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2008 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2008 BMW 325 | 2006 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 325 | Sirion |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 86 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 245 Nm | 121 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 75 mm | 79.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 234 km/hour | 180 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1575 kg | 830 kg |
| Vehicle Length | 4480 mm | 3400 mm |
| Vehicle Height | 1440 mm | 1250 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Consumption Overall | 10 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
