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 2,196 cc (4 cylinders), 2008 Opel Vectra is equipped with a bigger engine. In terms of performance, 2008 Opel Vectra (153 HP @ 5600 RPM) has 69 more horse power than 2005 Opel Astra. (84 HP @ 5400 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 344 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 (220 Nm @ 3800 RPM) has 82 more torque (in Nm) than 2005 Opel Astra. (138 Nm @ 2600 RPM). This means 2008 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 | 2008 Opel Vectra | |
| Make | Opel | Opel |
| Model | Astra | Vectra |
| Year Released | 2005 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2196 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 84 HP | 153 HP |
| Engine RPM | 5400 RPM | 5600 RPM |
| Torque | 138 Nm | 220 Nm |
| Torque RPM | 2600 RPM | 3800 RPM |
| Engine Bore Size | 79 mm | 86 mm |
| Engine Stroke Size | 81.5 mm | 94.6 mm |
| Engine Compression Ratio | 9.6:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 177 km/hour | 212 km/hour |
| Acceleration 0-100mph | 13.5 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1206 kg | 1550 kg |
| Vehicle Length | 4290 mm | 4830 mm |
| Vehicle Width | 1720 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2620 mm | 2840 mm |
| Fuel Consumption Overall | 7.9 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 52 L | 60 L |
