2005 Opel Vectra vs. 2007 Audi A6
To start off, 2007 Audi A6 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 2,958 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (178 HP @ 4000 RPM) has 3 more horse power than 2005 Opel Vectra. (175 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A6 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 260 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 A6 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 A6 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, both vehicles can yield 370 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2005 Opel Vectra | 2007 Audi A6 | |
| Make | Opel | Audi |
| Model | Vectra | A6 |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2496 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 178 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 370 Nm | 370 Nm |
| Torque RPM | 1900 RPM | 1500 RPM |
| Engine Bore Size | 87.5 mm | 78.4 mm |
| Engine Stroke Size | 82 mm | 86.4 mm |
| Engine Compression Ratio | 18.5:1 | 19.0:1 |
| Fuel Type | Diesel | Diesel |
| Acceleration 0-100mph | 9.3 seconds | 9.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1630 kg | 1890 kg |
| Vehicle Length | 4600 mm | 4820 mm |
| Vehicle Width | 1800 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1560 mm |
| Wheelbase Size | 2610 mm | 2760 mm |
| Fuel Consumption Overall | 7 L/100km | 9 L/100km |
| Fuel Tank Capacity | 61 L | 70 L |
