2006 Opel Vectra vs. 1986 Renault 21
To start off, 2006 Opel Vectra is newer by 20 year(s). Which means there will be less support and parts availability for 1986 Renault 21. In addition, the cost of maintenance, including insurance, on 1986 Renault 21 would be higher. At 2,958 cc (6 cylinders), 2006 Opel Vectra is equipped with a bigger engine. In terms of performance, 2006 Opel Vectra (175 HP @ 4000 RPM) has 100 more horse power than 1986 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2006 Opel Vectra should accelerate faster than 1986 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Vectra weights approximately 650 kg more than 1986 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, 2006 Opel Vectra (370 Nm @ 1900 RPM) has 241 more torque (in Nm) than 1986 Renault 21. (129 Nm @ 3250 RPM). This means 2006 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1986 Renault 21. 2006 Opel Vectra has automatic transmission and 1986 Renault 21 has manual transmission. 1986 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Opel Vectra | 1986 Renault 21 | |
| Make | Opel | Renault |
| Model | Vectra | 21 |
| Year Released | 2006 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1721 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 175 HP | 75 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 370 Nm | 129 Nm |
| Torque RPM | 1900 RPM | 3250 RPM |
| Engine Bore Size | 87.5 mm | 81 mm |
| Engine Stroke Size | 82 mm | 83.5 mm |
| Engine Compression Ratio | 18.5:1 | 9.2:1 |
| Top Speed | 226 km/hour | 176 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 12 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1605 kg | 955 kg |
| Vehicle Length | 4600 mm | 4470 mm |
| Vehicle Width | 1800 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2710 mm | 2670 mm |
| Fuel Tank Capacity | 61 L | 66 L |
