1986 Lancia Thema vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 19 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, 2005 Opel Vectra (120 HP @ 6000 RPM) has 2 more horse power than 1986 Lancia Thema. (118 HP @ 5250 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1986 Lancia Thema. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 160 kg more than 1986 Lancia Thema. 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, 2005 Opel Vectra (167 Nm @ 3800 RPM) has 2 more torque (in Nm) than 1986 Lancia Thema. (165 Nm @ 3300 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1986 Lancia Thema.
Compare all specifications:
| 1986 Lancia Thema | 2005 Opel Vectra | |
| Make | Lancia | Opel |
| Model | Thema | Vectra |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1794 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 120 HP |
| Engine RPM | 5250 RPM | 6000 RPM |
| Torque | 165 Nm | 167 Nm |
| Torque RPM | 3300 RPM | 3800 RPM |
| Engine Bore Size | 84 mm | 80.5 mm |
| Engine Stroke Size | 90 mm | 88.2 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1215 kg | 1375 kg |
| Vehicle Length | 4600 mm | 4600 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Consumption Overall | 7.9 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 65 L | 61 L |
