2006 BMW X5 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 2 year(s). Which means there will be less support and parts availability for 2006 BMW X5. In addition, the cost of maintenance, including insurance, on 2006 BMW X5 would be higher. At 4,398 cc (8 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (282 HP @ 3600 RPM) has 213 more horse power than 2008 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 1305 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 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2006 BMW X5 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, 2006 BMW X5 (441 Nm @ 3600 RPM) has 347 more torque (in Nm) than 2008 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2006 BMW X5 has automatic transmission and 2008 Daihatsu Sirion has manual transmission. 2008 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 BMW X5 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | X5 | Sirion |
| Year Released | 2006 | 2008 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 998 cc |
| Engine Cylinders | 8 cylinders | 3 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 282 HP | 69 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 441 Nm | 94 Nm |
| Torque RPM | 3600 RPM | 3600 RPM |
| Engine Bore Size | 92 mm | 71 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 206 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7.5 seconds | 14.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2195 kg | 890 kg |
| Vehicle Length | 4670 mm | 3610 mm |
| Vehicle Width | 1880 mm | 1670 mm |
| Vehicle Height | 1710 mm | 1560 mm |
| Wheelbase Size | 2830 mm | 2440 mm |
| Fuel Consumption Overall | 13.9 L/100km | 5 L/100km |
| Fuel Tank Capacity | 93 L | 40 L |
