2001 Daihatsu Sirion vs. 2003 Lancia Thesis
To start off, 2003 Lancia Thesis is newer by 2 year(s). Which means there will be less support and parts availability for 2001 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2001 Daihatsu Sirion would be higher. At 2,387 cc (5 cylinders), 2003 Lancia Thesis is equipped with a bigger engine. In terms of performance, 2003 Lancia Thesis (148 HP @ 4000 RPM) has 76 more horse power than 2001 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2003 Lancia Thesis should accelerate faster than 2001 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Lancia Thesis weights approximately 980 kg more than 2001 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, 2003 Lancia Thesis (309 Nm @ 2000 RPM) has 208 more torque (in Nm) than 2001 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2003 Lancia Thesis will have an easier job in driving up hills or pulling heavy equipment than 2001 Daihatsu Sirion. 2003 Lancia Thesis has automatic transmission and 2001 Daihatsu Sirion has manual transmission. 2001 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Lancia Thesis will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Daihatsu Sirion | 2003 Lancia Thesis | |
| Make | Daihatsu | Lancia |
| Model | Sirion | Thesis |
| Year Released | 2001 | 2003 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2387 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 148 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 101 Nm | 309 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 72 mm | 82 mm |
| Engine Stroke Size | 79.7 mm | 90.5 mm |
| Engine Compression Ratio | 11.0:1 | 18.1:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 179 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 840 kg | 1820 kg |
| Vehicle Length | 3680 mm | 4890 mm |
| Vehicle Width | 1600 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2370 mm | 2810 mm |
| Fuel Tank Capacity | 37 L | 75 L |
