2003 Opel Vectra vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. Both 2003 Opel Vectra and 2005 Opel Astra are equipped with a 1,995 cc engine. In terms of performance, 2003 Opel Vectra (173 HP @ 5500 RPM) has 91 more horse power than 2005 Opel Astra. (82 HP @ 4300 RPM). In normal driving conditions, 2003 Opel Vectra should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 195 kg more than 2005 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, 2003 Opel Vectra (265 Nm @ 2500 RPM) has 80 more torque (in Nm) than 2005 Opel Astra. (185 Nm @ 1500 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2005 Opel Astra has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Astra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2005 Opel Astra | |
| Make | Opel | Opel |
| Model | Vectra | Astra |
| Year Released | 2003 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 173 HP | 82 HP |
| Engine RPM | 5500 RPM | 4300 RPM |
| Torque | 265 Nm | 185 Nm |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Compression Ratio | 9.5:1 | 18.5:1 |
| Top Speed | 222 km/hour | 165 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 15.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1585 kg | 1390 kg |
| Vehicle Length | 4830 mm | 4120 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Tank Capacity | 60 L | 52 L |
