1986 Lancia Thema vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 5 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 65 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM). In normal driving conditions, 1986 Lancia Thema should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Lancia Thema weights approximately 134 kg more than 1991 Opel Astra. 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 150 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 1986 Lancia Thema will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1986 Lancia Thema | 1991 Opel Astra | |
| Make | Lancia | Opel |
| Model | Thema | Astra |
| Year Released | 1986 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 165 HP | 100 HP |
| Engine RPM | 5500 RPM | 5600 RPM |
| Torque | 285 Nm | 135 Nm |
| Torque RPM | 2750 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 79 mm |
| Engine Stroke Size | 90 mm | 81.5 mm |
| Engine Compression Ratio | 8.0:1 | 9.8:1 |
| Top Speed | 217 km/hour | 190 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1150 kg | 1016 kg |
| Vehicle Length | 4600 mm | 4060 mm |
| Vehicle Width | 1760 mm | 1690 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2670 mm | 2530 mm |
