2008 Opel Signum vs. 1994 Renault 21
To start off, 2008 Opel Signum is newer by 14 year(s). Which means there will be less support and parts availability for 1994 Renault 21. In addition, the cost of maintenance, including insurance, on 1994 Renault 21 would be higher. At 1,796 cc (4 cylinders), 2008 Opel Signum is equipped with a bigger engine. In terms of performance, 2008 Opel Signum (120 HP @ 6000 RPM) has 45 more horse power than 1994 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2008 Opel Signum should accelerate faster than 1994 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Signum weights approximately 525 kg more than 1994 Renault 21. 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 (167 Nm @ 3800 RPM) has 38 more torque (in Nm) than 1994 Renault 21. (129 Nm @ 3250 RPM). This means 2008 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1994 Renault 21.
Compare all specifications:
| 2008 Opel Signum | 1994 Renault 21 | |
| Make | Opel | Renault |
| Model | Signum | 21 |
| Year Released | 2008 | 1994 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 1719 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 120 HP | 75 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 167 Nm | 129 Nm |
| Torque RPM | 3800 RPM | 3250 RPM |
| Engine Bore Size | 80.5 mm | 81 mm |
| Engine Stroke Size | 88.2 mm | 83.5 mm |
| Engine Compression Ratio | 10.5:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 197 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1480 kg | 955 kg |
| Vehicle Length | 4640 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2550 mm |
| Fuel Consumption Overall | 7.9 L/100km | 7 L/100km |
| Fuel Tank Capacity | 60 L | 55 L |
