1986 Lancia Thema vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 17 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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (175 HP @ 5500 RPM) has 57 more horse power than 1986 Lancia Thema. (118 HP @ 5250 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1986 Lancia Thema. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 360 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 205 more torque (in Nm) than 1986 Lancia Thema. (165 Nm @ 3300 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Lancia Thema.
Compare all specifications:
| 1986 Lancia Thema | 2003 Opel Signum | |
| Make | Lancia | Opel |
| Model | Thema | Signum |
| Year Released | 1986 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2958 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 175 HP |
| Engine RPM | 5250 RPM | 5500 RPM |
| Torque | 165 Nm | 370 Nm |
| Torque RPM | 3300 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1215 kg | 1575 kg |
| Vehicle Length | 4600 mm | 4640 mm |
| Vehicle Width | 1740 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2840 mm |
