2003 Opel Vectra vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 8 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (197 HP @ 5600 RPM) has 23 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 379 kg more than 2011 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 Vectra (370 Nm @ 1900 RPM) has 108 more torque (in Nm) than 2011 Opel Astra. (262 Nm @ 4200 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2011 Opel Astra. 2003 Opel Vectra has automatic transmission and 2011 Opel Astra has manual transmission. 2011 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2011 Opel Astra | |
| Make | Opel | Opel |
| Model | Vectra | Astra |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 197 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 370 Nm | 262 Nm |
| Torque RPM | 1900 RPM | 4200 RPM |
| Engine Bore Size | 87.5 mm | 86.1 mm |
| Engine Stroke Size | 82 mm | 86 mm |
| Engine Compression Ratio | 18.5:1 | 8.8:1 |
| Acceleration 0-100mph | 10.1 seconds | 8.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1764 kg | 1385 kg |
| Vehicle Length | 4830 mm | 4260 mm |
| Vehicle Width | 1800 mm | 1760 mm |
| Vehicle Height | 1510 mm | 1470 mm |
| Wheelbase Size | 2840 mm | 2620 mm |
| Fuel Consumption Overall | 7.7 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 60 L | 52 L |
