2008 Audi A6 vs. 2005 Opel Vectra
To start off, 2008 Audi A6 is newer by 3 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 2,671 cc (6 cylinders), 2008 Audi A6 is equipped with a bigger engine. In terms of performance, 2008 Audi A6 (248 HP @ 5800 RPM) has 149 more horse power than 2005 Opel Vectra. (99 HP @ 4000 RPM). In normal driving conditions, 2008 Audi A6 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 210 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 2008 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, 2008 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, 2008 Audi A6 (350 Nm @ 1800 RPM) has 120 more torque (in Nm) than 2005 Opel Vectra. (230 Nm @ 1500 RPM). This means 2008 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2008 Audi A6 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2008 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 248 HP | 99 HP |
| Engine RPM | 5800 RPM | 4000 RPM |
| Torque | 350 Nm | 230 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84.1 mm |
| Engine Stroke Size | 86.4 mm | 90 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Acceleration 0-100mph | 7 seconds | 13.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1720 kg | 1510 kg |
| Vehicle Length | 4800 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
| Wheelbase Size | 2770 mm | 2840 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
