2005 Opel Astra vs. 2004 Opel Vectra
To start off, 2005 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2004 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2004 Opel Vectra is equipped with a bigger engine. In terms of performance, 2004 Opel Vectra (149 HP @ 4000 RPM) has 29 more horse power than 2005 Opel Astra. (120 HP @ 4000 RPM) In normal driving conditions, 2004 Opel Vectra should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Vectra weights approximately 378 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, 2004 Opel Vectra (370 Nm @ 1900 RPM) has 200 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2004 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra.
Compare all specifications:
| 2005 Opel Astra | 2004 Opel Vectra | |
| Make | Opel | Opel |
| Model | Astra | Vectra |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 2958 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 149 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 170 Nm | 370 Nm |
| Torque RPM | 3800 RPM | 1900 RPM |
| Engine Bore Size | 80.5 mm | 87.5 mm |
| Engine Stroke Size | 88.2 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 18.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1235 kg | 1613 kg |
| Vehicle Length | 4520 mm | 4600 mm |
| Wheelbase Size | 2740 mm | 2840 mm |
| Fuel Tank Capacity | 52 L | 61 L |
