1999 Daihatsu Sirion vs. 1986 Lancia Thema
To start off, 1999 Daihatsu Sirion is newer by 13 year(s). Which means there will be less support and parts availability for 1986 Lancia Thema. In addition, the cost of maintenance, including insurance, on 1986 Lancia Thema would be higher. At 1,995 cc (4 cylinders), 1986 Lancia Thema is equipped with a bigger engine. In terms of performance, 1986 Lancia Thema (165 HP @ 5500 RPM) has 112 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 1986 Lancia Thema should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1986 Lancia Thema weights approximately 340 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, 1986 Lancia Thema (285 Nm @ 2750 RPM) has 197 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 1986 Lancia Thema will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1999 Daihatsu Sirion | 1986 Lancia Thema | |
| Make | Daihatsu | Lancia |
| Model | Sirion | Thema |
| Year Released | 1999 | 1986 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 1995 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 53 HP | 165 HP |
| Engine RPM | 5200 RPM | 5500 RPM |
| Torque | 88 Nm | 285 Nm |
| Torque RPM | 3600 RPM | 2750 RPM |
| Engine Bore Size | 71.9 mm | 84 mm |
| Engine Stroke Size | 81 mm | 90 mm |
| 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 | 1150 kg |
| Vehicle Length | 3680 mm | 4600 mm |
| Vehicle Width | 1600 mm | 1760 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2350 mm | 2670 mm |
