2005 Opel Vectra vs. 1990 Renault 21
To start off, 2005 Opel Vectra is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 2,171 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (125 HP @ 4000 RPM) has 50 more horse power than 1990 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1990 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 568 kg more than 1990 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, 2005 Opel Vectra (270 Nm @ 1500 RPM) has 141 more torque (in Nm) than 1990 Renault 21. (129 Nm @ 3250 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 2005 Opel Vectra | 1990 Renault 21 | |
| Make | Opel | Renault |
| Model | Vectra | 21 |
| Year Released | 2005 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1720 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 125 HP | 75 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 270 Nm | 129 Nm |
| Torque RPM | 1500 RPM | 3250 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 98 mm | 83.5 mm |
| Engine Compression Ratio | 18.5:1 | 9.2:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 206 km/hour | 176 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1523 kg | 955 kg |
| Vehicle Length | 4830 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1730 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2550 mm |
| Fuel Consumption Overall | 6.5 L/100km | 7 L/100km |
| Fuel Tank Capacity | 61 L | 55 L |
