2007 BMW 318 vs. 2006 Daihatsu Sirion
To start off, 2007 BMW 318 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2006 Daihatsu Sirion would be higher. At 1,994 cc (4 cylinders), 2007 BMW 318 is equipped with a bigger engine. In terms of performance, 2007 BMW 318 (148 HP @ 6200 RPM) has 62 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 318 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 318 weights approximately 675 kg more than 2006 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 318 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 318. However, in wet, icy, snow, or gravel driving conditions, 2006 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 318 (200 Nm @ 3600 RPM) has 80 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2007 BMW 318 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW 318 | 2006 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 318 | Sirion |
| Year Released | 2007 | 2006 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 1298 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 86 HP |
| Engine RPM | 6200 RPM | 6000 RPM |
| Torque | 200 Nm | 120 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72.1 mm |
| Engine Stroke Size | 90 mm | 79.7 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1580 kg | 905 kg |
| Vehicle Length | 4490 mm | 3400 mm |
| Vehicle Height | 1380 mm | 1250 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Consumption Overall | 7.8 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
