2007 Alpina D3 vs. 2007 Daihatsu Sirion
To start off, both 2007 Alpina D3 and 2007 Daihatsu Sirion were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 3,346 cc (6 cylinders), 2007 Alpina D3 is equipped with a bigger engine. In terms of performance, 2007 Alpina D3 (301 HP @ 6300 RPM) has 215 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2007 Alpina D3 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina D3 weights approximately 510 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Alpina D3 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 D3. However, in wet, icy, snow, or gravel driving conditions, 2007 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 D3 (362 Nm @ 4800 RPM) has 241 more torque (in Nm) than 2007 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2007 Alpina D3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion. 2007 Daihatsu Sirion has automatic transmission and 2007 Alpina D3 has manual transmission. 2007 Alpina D3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina D3 | 2007 Daihatsu Sirion | |
| Make | Alpina | Daihatsu |
| Model | D3 | Sirion |
| Year Released | 2007 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1298 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 | 121 Nm |
| Torque RPM | 4800 RPM | 3200 RPM |
| Engine Bore Size | 87 mm | 72 mm |
| Engine Stroke Size | 93.8 mm | 79.7 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 271 km/hour | 175 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 940 kg |
| Vehicle Length | 4490 mm | 3610 mm |
| Vehicle Width | 1760 mm | 1560 mm |
| Vehicle Height | 1370 mm | 1670 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Consumption Overall | 11 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 63 L | 40 L |
