2008 Daihatsu Sirion vs. 2005 BMW 545
To start off, 2008 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 2005 BMW 545. In addition, the cost of maintenance, including insurance, on 2005 BMW 545 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 545 is equipped with a bigger engine. In terms of performance, 2005 BMW 545 (326 HP @ 6100 RPM) has 225 more horse power than 2008 Daihatsu Sirion. (101 HP @ 3600 RPM) In normal driving conditions, 2005 BMW 545 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 545 weights approximately 725 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 2005 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 2005 BMW 545. 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, 2005 BMW 545 (450 Nm @ 3600 RPM) has 310 more torque (in Nm) than 2008 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 2005 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2005 BMW 545 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. 2005 BMW 545 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Daihatsu Sirion | 2005 BMW 545 | |
| Make | Daihatsu | BMW |
| Model | Sirion | 545 |
| Year Released | 2008 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 4390 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 101 HP | 326 HP |
| Engine RPM | 3600 RPM | 6100 RPM |
| Torque | 140 Nm | 450 Nm |
| Torque RPM | 4600 RPM | 3600 RPM |
| Engine Bore Size | 72 mm | 92 mm |
| Engine Stroke Size | 79.7 mm | 82.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 940 kg | 1665 kg |
| Vehicle Length | 3610 mm | 4850 mm |
| Vehicle Width | 1560 mm | 1850 mm |
| Vehicle Height | 1670 mm | 1500 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Consumption Overall | 6 L/100km | 11.3 L/100km |
| Fuel Tank Capacity | 40 L | 70 L |
