1991 Opel Astra vs. 2002 Opel Vectra
To start off, 2002 Opel Vectra is newer by 11 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 2,198 cc (4 cylinders), 2002 Opel Vectra is equipped with a bigger engine. In terms of performance, 2002 Opel Vectra (125 HP @ 4000 RPM) has 25 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM) In normal driving conditions, 2002 Opel Vectra should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Vectra weights approximately 349 kg more than 1991 Opel Astra. 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, 2002 Opel Vectra (280 Nm @ 1500 RPM) has 145 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2002 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2002 Opel Vectra | |
| Make | Opel | Opel |
| Model | Astra | Vectra |
| Year Released | 1991 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 125 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 135 Nm | 280 Nm |
| Torque RPM | 3400 RPM | 1500 RPM |
| Engine Bore Size | 79 mm | 84 mm |
| Engine Stroke Size | 81.5 mm | 98 mm |
| Engine Compression Ratio | 9.8:1 | 9.5:1 |
| Top Speed | 190 km/hour | 206 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1016 kg | 1365 kg |
| Vehicle Length | 4060 mm | 4600 mm |
| Vehicle Width | 1690 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2500 mm |
| Fuel Tank Capacity | 75 L | 60 L |
