2005 Audi A6 vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,698 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (178 HP @ 3300 RPM) has 58 more horse power than 2008 Opel Vectra. (120 HP @ 6000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 285 kg more than 2008 Opel Vectra. 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 Audi A6 (370 Nm @ 1400 RPM) has 203 more torque (in Nm) than 2008 Opel Vectra. (167 Nm @ 3800 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2005 Audi A6 | 2008 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 178 HP | 120 HP |
| Engine RPM | 3300 RPM | 6000 RPM |
| Torque | 370 Nm | 167 Nm |
| Torque RPM | 1400 RPM | 3800 RPM |
| Engine Bore Size | 83 mm | 80.6 mm |
| Engine Stroke Size | 83.1 mm | 88.2 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 11.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1695 kg | 1410 kg |
| Vehicle Length | 4940 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2770 mm | 2710 mm |
| Fuel Consumption Overall | 7.1 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
