2005 Audi A6 vs. 2003 Opel Vectra
To start off, 2005 Audi A6 is newer by 2 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 2,169 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (138 HP @ 4000 RPM) has 13 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 65 kg more than 2003 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 (330 Nm @ 1750 RPM) has 50 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Audi A6 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1982 cc | 2169 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 125 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 330 Nm | 280 Nm |
| Torque RPM | 1750 RPM | 1500 RPM |
| Engine Bore Size | 81 mm | 84 mm |
| Engine Stroke Size | 95.5 mm | 98 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1625 kg | 1560 kg |
| Vehicle Length | 4940 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
