2004 Opel Signum vs. 1986 Renault 25
To start off, 2004 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Renault 25. In addition, the cost of maintenance, including insurance, on 1986 Renault 25 would be higher. Both 2004 Opel Signum and 1986 Renault 25 are equipped with a 1,995 cc engine. In terms of performance, 2004 Opel Signum (173 HP @ 5500 RPM) has 66 more horse power than 1986 Renault 25. (107 HP @ 5500 RPM). In normal driving conditions, 2004 Opel Signum should accelerate faster than 1986 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 405 kg more than 1986 Renault 25. 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, 2004 Opel Signum (265 Nm @ 2500 RPM) has 105 more torque (in Nm) than 1986 Renault 25. (160 Nm @ 3000 RPM). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 25.
Compare all specifications:
| 2004 Opel Signum | 1986 Renault 25 | |
| Make | Opel | Renault |
| Model | Signum | 25 |
| Year Released | 2004 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 173 HP | 107 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 265 Nm | 160 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 88.1 mm |
| Engine Stroke Size | 86 mm | 82 mm |
| Engine Compression Ratio | 9.5:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1155 kg |
| Vehicle Length | 4640 mm | 4630 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1410 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Consumption Overall | 9.4 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 34 L |
