2008 Daihatsu Sirion vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 3 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 2,993 cc (6 cylinders), 2011 BMW X5 is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (304 HP @ 440 RPM) has 218 more horse power than 2008 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 1245 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 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 2008 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2011 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, 2011 BMW X5 (600 Nm @ 1500 RPM) has 480 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2008 Daihatsu Sirion | 2011 BMW X5 | |
| Make | Daihatsu | BMW |
| Model | Sirion | X5 |
| Year Released | 2008 | 2011 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 304 HP |
| Engine RPM | 6000 RPM | 440 RPM |
| Torque | 120 Nm | 600 Nm |
| Torque RPM | 3200 RPM | 1500 RPM |
| Engine Bore Size | 72 mm | 90 mm |
| Engine Stroke Size | 79.7 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 175 km/hour | 237 km/hour |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 940 kg | 2185 kg |
| Vehicle Length | 3610 mm | 4857 mm |
| Vehicle Width | 1560 mm | 1933 mm |
| Vehicle Height | 1670 mm | 1776 mm |
| Wheelbase Size | 2440 mm | 2934 mm |
| Fuel Consumption Overall | 5 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 40 L | 85 L |
