2009 BMW 550 vs. 2008 Daihatsu Sirion
To start off, 2009 BMW 550 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2008 Daihatsu Sirion would be higher. At 4,799 cc (8 cylinders), 2009 BMW 550 is equipped with a bigger engine. In terms of performance, 2009 BMW 550 (360 HP @ 6300 RPM) has 258 more horse power than 2008 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 2009 BMW 550 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 550 weights approximately 765 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 2009 BMW 550 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 2009 BMW 550. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 2009 BMW 550 (489 Nm @ 3400 RPM) has 356 more torque (in Nm) than 2008 Daihatsu Sirion. (133 Nm @ 4400 RPM). This means 2009 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2009 BMW 550 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 550 | Sirion |
| Year Released | 2009 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1495 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 360 HP | 102 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 489 Nm | 133 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 72 mm |
| Engine Stroke Size | 88.3 mm | 91.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 185 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1730 kg | 965 kg |
| Vehicle Length | 4850 mm | 3400 mm |
| Vehicle Height | 1850 mm | 1250 mm |
| Wheelbase Size | 2890 mm | 2440 mm |
| Fuel Consumption Overall | 11.1 L/100km | 6.2 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
