2008 BMW X5 vs. 2008 Daihatsu Sirion
To start off, both 2008 BMW X5 and 2008 Daihatsu Sirion were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,799 cc (8 cylinders), 2008 BMW X5 is equipped with a bigger engine. In terms of performance, 2008 BMW X5 (350 HP @ 6300 RPM) has 260 more horse power than 2008 Daihatsu Sirion. (90 HP @ 6000 RPM). In normal driving conditions, 2008 BMW X5 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 574 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.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 X5 (475 Nm @ 3400 RPM) has 355 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 2008 BMW X5 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | X5 | Sirion |
| Year Released | 2008 | 2008 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1298 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 90 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 475 Nm | 120 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Engine Bore Size | 93 mm | 72 mm |
| Engine Stroke Size | 88.3 mm | 79.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 242 km/hour | 165 km/hour |
| Acceleration 0-100mph | 6.5 seconds | 12 seconds |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1554 kg | 980 kg |
| Vehicle Length | 4860 mm | 3610 mm |
| Vehicle Width | 1940 mm | 1670 mm |
| Vehicle Height | 1740 mm | 1560 mm |
| Wheelbase Size | 2940 mm | 2440 mm |
| Fuel Consumption Overall | 12.5 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 85 L | 38 L |
