1991 Opel Astra vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 14 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 3,175 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (208 HP @ 6200 RPM) has 126 more horse power than 1991 Opel Astra. (82 HP @ 5800 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 498 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, 2005 Opel Vectra (300 Nm @ 4000 RPM) has 187 more torque (in Nm) than 1991 Opel Astra. (113 Nm @ 3400 RPM). This means 2005 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 | 2005 Opel Vectra | |
| Make | Opel | Opel |
| Model | Astra | Vectra |
| Year Released | 1991 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1389 cc | 3175 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 82 HP | 208 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 113 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Top Speed | 165 km/hour | 248 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1025 kg | 1523 kg |
| Vehicle Length | 4280 mm | 4600 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2450 mm | 2640 mm |
| Fuel Tank Capacity | 52 L | 61 L |
