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 2,198 cc (4 cylinders), 2003 Opel Astra is equipped with a bigger engine. In terms of performance, 2003 Opel Astra (145 HP @ 5800 RPM) has 20 more horse power than 2005 Opel Vectra. (125 HP @ 6000 RPM) In normal driving conditions, 2003 Opel Astra should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 192 kg more than 2003 Opel Astra.
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 (203 Nm @ 4000 RPM) has 36 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. 2003 Opel Astra has automatic transmission and 2005 Opel Vectra has manual transmission. 2005 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Astra will be easier to drive especially in heavy traffic.
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 | 1796 cc | 2198 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 125 HP | 145 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 167 Nm | 203 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 80.5 mm | 86 mm |
| Engine Stroke Size | 88.2 mm | 94.6 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Top Speed | 199 km/hour | 208 km/hour |
| Acceleration 0-100mph | 12.4 seconds | 10 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1298 kg |
| Vehicle Length | 4830 mm | 4120 mm |
| Vehicle Width | 1800 mm | 1720 mm |
| Vehicle Height | 1510 mm | 1430 mm |
| Wheelbase Size | 2700 mm | 2500 mm |
| Fuel Consumption Overall | 7.9 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
