2001 Opel Vectra vs. 1991 Renault 21
To start off, 2001 Opel Vectra is newer by 10 year(s). Which means there will be less support and parts availability for 1991 Renault 21. In addition, the cost of maintenance, including insurance, on 1991 Renault 21 would be higher. At 2,198 cc (4 cylinders), 2001 Opel Vectra is equipped with a bigger engine. In terms of performance, 2001 Opel Vectra (145 HP @ 5600 RPM) has 70 more horse power than 1991 Renault 21. (75 HP @ 5000 RPM). In normal driving conditions, 2001 Opel Vectra should accelerate faster than 1991 Renault 21. With that said, vehicle weight also plays an important factor in acceleration. 2001 Opel Vectra weights approximately 465 kg more than 1991 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, 2001 Opel Vectra (203 Nm @ 4000 RPM) has 74 more torque (in Nm) than 1991 Renault 21. (129 Nm @ 3250 RPM). This means 2001 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Renault 21. 2001 Opel Vectra has automatic transmission and 1991 Renault 21 has manual transmission. 1991 Renault 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2001 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Opel Vectra | 1991 Renault 21 | |
| Make | Opel | Renault |
| Model | Vectra | 21 |
| Year Released | 2001 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1721 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 145 HP | 75 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 203 Nm | 129 Nm |
| Torque RPM | 4000 RPM | 3250 RPM |
| Engine Bore Size | 86 mm | 81 mm |
| Engine Stroke Size | 94.6 mm | 83.5 mm |
| Engine Compression Ratio | 10.0:1 | 9.2:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1485 kg | 1020 kg |
| Vehicle Length | 4600 mm | 4650 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2820 mm |
