2007 Daihatsu Sirion vs. 2006 Lancia Thesis
To start off, 2007 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Lancia Thesis. In addition, the cost of maintenance, including insurance, on 2006 Lancia Thesis would be higher. At 2,446 cc (5 cylinders), 2006 Lancia Thesis is equipped with a bigger engine. In terms of performance, 2006 Lancia Thesis (168 HP @ 6000 RPM) has 67 more horse power than 2007 Daihatsu Sirion. (101 HP @ 3600 RPM) In normal driving conditions, 2006 Lancia Thesis should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lancia Thesis weights approximately 746 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.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Lancia Thesis (226 Nm @ 3500 RPM) has 86 more torque (in Nm) than 2007 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 2006 Lancia Thesis will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Sirion | 2006 Lancia Thesis | |
| Make | Daihatsu | Lancia |
| Model | Sirion | Thesis |
| Year Released | 2007 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2446 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 101 HP | 168 HP |
| Engine RPM | 3600 RPM | 6000 RPM |
| Torque | 140 Nm | 226 Nm |
| Torque RPM | 4600 RPM | 3500 RPM |
| Engine Bore Size | 72 mm | 83 mm |
| Engine Stroke Size | 79.7 mm | 90.4 mm |
| Engine Compression Ratio | 10.0:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 940 kg | 1686 kg |
| Vehicle Length | 3610 mm | 4890 mm |
| Vehicle Width | 1560 mm | 1840 mm |
| Vehicle Height | 1670 mm | 1470 mm |
| Wheelbase Size | 2440 mm | 2810 mm |
| Fuel Tank Capacity | 40 L | 75 L |
