2008 BMW 523 vs. 2007 Daihatsu Sirion
To start off, 2008 BMW 523 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2007 Daihatsu Sirion would be higher. At 2,497 cc (6 cylinders), 2008 BMW 523 is equipped with a bigger engine. In terms of performance, 2008 BMW 523 (175 HP @ 5800 RPM) has 74 more horse power than 2007 Daihatsu Sirion. (101 HP @ 3600 RPM). In normal driving conditions, 2008 BMW 523 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW 523 weights approximately 550 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 BMW 523 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 2008 BMW 523. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2008 BMW 523 (230 Nm @ 3500 RPM) has 90 more torque (in Nm) than 2007 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 2008 BMW 523 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2008 BMW 523 | 2007 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 523 | Sirion |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 101 HP |
| Engine RPM | 5800 RPM | 3600 RPM |
| Torque | 230 Nm | 140 Nm |
| Torque RPM | 3500 RPM | 4600 RPM |
| Engine Bore Size | 78.8 mm | 72 mm |
| Engine Stroke Size | 82 mm | 79.7 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 940 kg |
| Vehicle Length | 4850 mm | 3610 mm |
| Vehicle Width | 1850 mm | 1560 mm |
| Vehicle Height | 1470 mm | 1670 mm |
| Wheelbase Size | 2890 mm | 2440 mm |
| Fuel Tank Capacity | 70 L | 40 L |
