1988 Opel Vectra vs. 1989 Renault 21
To start off, 1989 Renault 21 is newer by 1 year(s). Which means there will be less support and parts availability for 1988 Opel Vectra. In addition, the cost of maintenance, including insurance, on 1988 Opel Vectra would be higher. At 1,721 cc (4 cylinders), 1989 Renault 21 is equipped with a bigger engine. In terms of performance, 1989 Renault 21 (91 HP @ 5200 RPM) has 35 more horse power than 1988 Opel Vectra. (56 HP @ 4600 RPM) In normal driving conditions, 1989 Renault 21 should accelerate faster than 1988 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1988 Opel Vectra weights approximately 7 kg more than 1989 Renault 21.
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, 1989 Renault 21 (138 Nm @ 3500 RPM) has 34 more torque (in Nm) than 1988 Opel Vectra. (104 Nm @ 2400 RPM). This means 1989 Renault 21 will have an easier job in driving up hills or pulling heavy equipment than 1988 Opel Vectra.
Compare all specifications:
| 1988 Opel Vectra | 1989 Renault 21 | |
| Make | Opel | Renault |
| Model | Vectra | 21 |
| Year Released | 1988 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1699 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 56 HP | 91 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 104 Nm | 138 Nm |
| Torque RPM | 2400 RPM | 3500 RPM |
| Engine Compression Ratio | 23.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1082 kg | 1075 kg |
| Vehicle Length | 4440 mm | 4650 mm |
| Vehicle Width | 1710 mm | 1720 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2600 mm | 2820 mm |
