1984 Renault 25 vs. 2008 Opel Signum
To start off, 2008 Opel Signum is newer by 24 year(s). Which means there will be less support and parts availability for 1984 Renault 25. In addition, the cost of maintenance, including insurance, on 1984 Renault 25 would be higher. At 2,957 cc (6 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (175 HP @ 4000 RPM) has 86 more horse power than 1984 Renault 25. (89 HP @ 4250 RPM) In normal driving conditions, 2008 Opel Signum should accelerate faster than 1984 Renault 25. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 434 kg more than 1984 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, 2008 Opel Signum (370 Nm @ 1900 RPM) has 193 more torque (in Nm) than 1984 Renault 25. (177 Nm @ 2000 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1984 Renault 25. 2008 Opel Signum has automatic transmission and 1984 Renault 25 has manual transmission. 1984 Renault 25 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Signum will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Renault 25 | 2008 Opel Signum | |
| Make | Renault | Opel |
| Model | 25 | Signum |
| Year Released | 1984 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2068 cc | 2957 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 175 HP |
| Engine RPM | 4250 RPM | 4000 RPM |
| Torque | 177 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 1900 RPM |
| Engine Bore Size | 86 mm | 87.5 mm |
| Engine Stroke Size | 89 mm | 82 mm |
| Engine Compression Ratio | 21.5:1 | 18.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 172 km/hour | 221 km/hour |
| Acceleration 0-100mph | 13.1 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1236 kg | 1670 kg |
| Vehicle Length | 4630 mm | 4640 mm |
| Vehicle Width | 1780 mm | 1800 mm |
| Vehicle Height | 1410 mm | 1470 mm |
| Wheelbase Size | 2730 mm | 2840 mm |
| Fuel Tank Capacity | 38 L | 60 L |
