2007 Alpina B5 vs. 2012 Daihatsu Sirion
To start off, 2012 Daihatsu Sirion is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Alpina B5. In addition, the cost of maintenance, including insurance, on 2007 Alpina B5 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 407 more horse power than 2012 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2012 Daihatsu Sirion.
Because 2007 Alpina B5 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 Alpina B5. However, in wet, icy, snow, or gravel driving conditions, 2012 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 Alpina B5 (700 Nm @ 4250 RPM) has 579 more torque (in Nm) than 2012 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2012 Daihatsu Sirion.
Compare all specifications:
| 2007 Alpina B5 | 2012 Daihatsu Sirion | |
| Make | Alpina | Daihatsu |
| Model | B5 | Sirion |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1298 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 86 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 700 Nm | 121 Nm |
| Torque RPM | 4250 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 72 mm |
| Engine Stroke Size | 82.7 mm | 79.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 170 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 11.3 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
