2009 BMW 523 vs. 2009 Daihatsu Sirion
To start off, both 2009 BMW 523 and 2009 Daihatsu Sirion were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,497 cc (6 cylinders), 2009 BMW 523 is equipped with a bigger engine. In terms of performance, 2009 BMW 523 (175 HP @ 5800 RPM) has 73 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 523 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 523 weights approximately 620 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 523. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 BMW 523 (230 Nm @ 3500 RPM) has 98 more torque (in Nm) than 2009 Daihatsu Sirion. (132 Nm @ 4400 RPM). This means 2009 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 BMW 523 | 2009 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 523 | Sirion |
| Year Released | 2009 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1495 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 102 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 132 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Acceleration 0-100mph | 8.5 seconds | 10.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1525 kg | 905 kg |
| Vehicle Width | 1470 mm | 1670 mm |
| Vehicle Height | 1850 mm | 1560 mm |
| Wheelbase Size | 2890 mm | 2440 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
