2006 Alpina B3 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alpina B3. In addition, the cost of maintenance, including insurance, on 2006 Alpina B3 would be higher. At 3,346 cc (6 cylinders), 2006 Alpina B3 is equipped with a bigger engine. In terms of performance, 2006 Alpina B3 (301 HP @ 6300 RPM) has 215 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2006 Alpina B3 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alpina B3 weights approximately 686 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Alpina B3 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 2006 Alpina B3. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2006 Alpina B3 (362 Nm @ 4800 RPM) has 242 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2006 Alpina B3 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2006 Alpina B3 | 2009 Daihatsu Sirion | |
| Make | Alpina | Daihatsu |
| Model | B3 | Sirion |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 86 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 362 Nm | 120 Nm |
| Torque RPM | 4800 RPM | 3200 RPM |
| Engine Bore Size | 87 mm | 72 mm |
| Engine Stroke Size | 93.8 mm | 79.7 mm |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 264 km/hour | 175 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1626 kg | 940 kg |
| Vehicle Length | 4490 mm | 3610 mm |
| Vehicle Width | 1760 mm | 1560 mm |
| Vehicle Height | 1360 mm | 1670 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Consumption Overall | 11.2 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
