2005 Opel Vectra vs. 2003 Opel Astra
To start off, 2005 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 1,794 cc (4 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (120 HP @ 6000 RPM) has 45 more horse power than 2003 Opel Astra. (75 HP @ 4300 RPM). In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Astra weights approximately 5 kg more than 2005 Opel Vectra.
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 Astra (171 Nm @ 1800 RPM) has 4 more torque (in Nm) than 2005 Opel Vectra. (167 Nm @ 3800 RPM). This means 2003 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2005 Opel Vectra | 2003 Opel Astra | |
| Make | Opel | Opel |
| Model | Vectra | Astra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1794 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 75 HP |
| Engine RPM | 6000 RPM | 4300 RPM |
| Torque | 167 Nm | 171 Nm |
| Torque RPM | 3800 RPM | 1800 RPM |
| Engine Bore Size | 80.5 mm | 79 mm |
| Engine Stroke Size | 88.2 mm | 86 mm |
| Top Speed | 205 km/hour | 168 km/hour |
| Acceleration 0-100mph | 11.2 seconds | 15 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1375 kg | 1380 kg |
| Vehicle Length | 4600 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2640 mm | 2670 mm |
| Fuel Consumption Overall | 7.9 L/100km | 5 L/100km |
| Fuel Tank Capacity | 61 L | 52 L |
