2005 Opel Astra vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Opel Astra. In addition, the cost of maintenance, including insurance, on 2005 Opel Astra would be higher. At 3,174 cc (6 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (208 HP @ 6200 RPM) has 88 more horse power than 2005 Opel Astra. (120 HP @ 4000 RPM) In normal driving conditions, 2008 Opel Vectra should accelerate faster than 2005 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Vectra weights approximately 390 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, 2008 Opel Vectra (300 Nm @ 4000 RPM) has 130 more torque (in Nm) than 2005 Opel Astra. (170 Nm @ 3800 RPM). This means 2008 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Astra. 2008 Opel Vectra has automatic transmission and 2005 Opel Astra has manual transmission. 2005 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Opel Astra | 2008 Opel Vectra | |
| Make | Opel | Opel |
| Model | Astra | Vectra |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1795 cc | 3174 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 120 HP | 208 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 170 Nm | 300 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 80.5 mm | 87.5 mm |
| Engine Stroke Size | 88.2 mm | 88 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1235 kg | 1625 kg |
| Vehicle Length | 4520 mm | 4600 mm |
| Wheelbase Size | 2740 mm | 2710 mm |
| Fuel Tank Capacity | 52 L | 61 L |
