2007 BMW 323 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 323. In addition, the cost of maintenance, including insurance, on 2007 BMW 323 would be higher. At 2,497 cc, 2007 BMW 323 is equipped with a bigger engine. In terms of performance, 2007 BMW 323 (175 HP @ 5800 RPM) has 85 more horse power than 2008 Daihatsu Sirion. (90 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 323 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 323 weights approximately 544 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 323. In wet, icy, snow, or gravel driving conditions, 2008 Daihatsu Sirion 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 323 (230 Nm @ 3500 RPM) has 110 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2007 BMW 323 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW 323 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 323 | Sirion |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1298 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 90 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 120 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 78.8 mm | 72 mm |
| Engine Stroke Size | 82 mm | 79.7 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 226 km/hour | 165 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 12 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1524 kg | 980 kg |
| Vehicle Length | 4530 mm | 3610 mm |
| Vehicle Width | 1430 mm | 1670 mm |
| Vehicle Height | 1820 mm | 1560 mm |
| Wheelbase Size | 2770 mm | 2440 mm |
| Fuel Consumption Overall | 9 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 60 L | 38 L |
