2007 Audi A3 vs. 2005 Opel Vectra
To start off, 2007 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 3,187 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 77 more horse power than 2005 Opel Vectra. (170 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A3 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A3 weights approximately 25 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 will offer significantly more control. 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, 2007 Audi A3 (320 Nm @ 2800 RPM) has 55 more torque (in Nm) than 2005 Opel Vectra. (265 Nm @ 2500 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2007 Audi A3 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A3 | Vectra |
| Year Released | 2007 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3187 cc | 1997 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 170 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 320 Nm | 265 Nm |
| Torque RPM | 2800 RPM | 2500 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 95.9 mm | 86 mm |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 230 km/hour |
| Acceleration 0-100mph | 6.3 seconds | 9.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1470 kg |
| Vehicle Length | 4210 mm | 4600 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2720 mm |
| Fuel Consumption Overall | 10.6 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 60 L | 61 L |
