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 2,958 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (175 HP @ 4000 RPM) has 101 more horse power than 2003 Opel Astra. (74 HP @ 5200 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. 2005 Opel Vectra weights approximately 605 kg more than 2003 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, 2005 Opel Vectra (371 Nm @ 1900 RPM) has 241 more torque (in Nm) than 2003 Opel Astra. (130 Nm @ 2800 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra. 2005 Opel Vectra has automatic transmission and 2003 Opel Astra has manual transmission. 2003 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Opel Vectra 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 | 2958 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 74 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 371 Nm | 130 Nm |
| Torque RPM | 1900 RPM | 2800 RPM |
| Engine Bore Size | 87.5 mm | 85 mm |
| Engine Stroke Size | 82 mm | 69.8 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 222 km/hour | 170 km/hour |
| Acceleration 0-100mph | 9.8 seconds | 14.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1705 kg | 1100 kg |
| Vehicle Length | 4830 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2640 mm |
| Fuel Consumption Overall | 7.3 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
