1999 Daihatsu Sirion vs. 2001 Lancia Thesis
To start off, 2001 Lancia Thesis is newer by 2 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Sirion would be higher. At 2,387 cc (5 cylinders), 2001 Lancia Thesis is equipped with a bigger engine. In terms of performance, 2001 Lancia Thesis (148 HP @ 4000 RPM) has 95 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 2001 Lancia Thesis should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2001 Lancia Thesis weights approximately 905 kg more than 1999 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, 2001 Lancia Thesis (314 Nm @ 1800 RPM) has 226 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2001 Lancia Thesis will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1999 Daihatsu Sirion | 2001 Lancia Thesis | |
| Make | Daihatsu | Lancia |
| Model | Sirion | Thesis |
| Year Released | 1999 | 2001 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 2387 cc |
| Engine Cylinders | 3 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 53 HP | 148 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 88 Nm | 314 Nm |
| Torque RPM | 3600 RPM | 1800 RPM |
| Engine Bore Size | 71.9 mm | 82.1 mm |
| Engine Stroke Size | 81 mm | 90.5 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 810 kg | 1715 kg |
| Vehicle Length | 3680 mm | 4890 mm |
| Vehicle Width | 1600 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2810 mm |
| Fuel Tank Capacity | 37 L | 75 L |
