2007 Opel Vectra vs. 1992 Renault 21
To start off, 2007 Opel Vectra is newer by 15 year(s). Which means there will be less support and parts availability for 1992 Renault 21. In addition, the cost of maintenance, including insurance, on 1992 Renault 21 would be higher. At 2,958 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (175 HP @ 4000 RPM) has 84 more horse power than 1992 Renault 21. (91 HP @ 5200 RPM). In normal driving conditions, 2007 Opel Vectra should accelerate faster than 1992 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 530 kg more than 1992 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, 2007 Opel Vectra (370 Nm @ 1900 RPM) has 232 more torque (in Nm) than 1992 Renault 21. (138 Nm @ 3500 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1992 Renault 21. 2007 Opel Vectra has automatic transmission and 1992 Renault 21 has manual transmission. 1992 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Opel Vectra | 1992 Renault 21 | |
| Make | Opel | Renault |
| Model | Vectra | 21 |
| Year Released | 2007 | 1992 |
| 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 | 91 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 370 Nm | 138 Nm |
| Torque RPM | 1900 RPM | 3500 RPM |
| Engine Bore Size | 87.5 mm | 81 mm |
| Engine Stroke Size | 82 mm | 83.5 mm |
| Engine Compression Ratio | 18.5:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1605 kg | 1075 kg |
| Vehicle Length | 4600 mm | 4650 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2820 mm |
