2007 BMW 545 vs. 2005 Daihatsu Sirion
To start off, 2007 BMW 545 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2005 Daihatsu Sirion would be higher. At 4,397 cc (8 cylinders), 2007 BMW 545 is equipped with a bigger engine. In terms of performance, 2007 BMW 545 (328 HP @ 6100 RPM) has 240 more horse power than 2005 Daihatsu Sirion. (88 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 545 should accelerate faster than 2005 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 545 weights approximately 1035 kg more than 2005 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 545 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 2007 BMW 545. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2007 BMW 545 (450 Nm @ 3600 RPM) has 330 more torque (in Nm) than 2005 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2007 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2005 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW 545 | 2005 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 545 | Sirion |
| Year Released | 2007 | 2005 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 1295 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 88 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 450 Nm | 120 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 72 mm |
| Engine Stroke Size | 82.7 mm | 79.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 170 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 11.3 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1975 kg | 940 kg |
| Vehicle Length | 4850 mm | 3610 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1500 mm | 1560 mm |
| Wheelbase Size | 2840 mm | 2350 mm |
| Fuel Consumption Overall | 11.3 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
