2004 Audi A6 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 2,496 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 2004 Audi A6 (180 HP @ 6000 RPM) has 27 more horse power than 2005 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 2004 Audi A6 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 112 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.
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, 2004 Audi A6 (235 Nm @ 3000 RPM) has 14 more torque (in Nm) than 2005 Opel Vectra. (221 Nm @ 3800 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2004 Audi A6 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 153 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 235 Nm | 221 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 86 mm |
| Engine Stroke Size | 77.4 mm | 94.6 mm |
| Top Speed | 221 km/hour | 212 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1550 kg |
| Vehicle Length | 4940 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2840 mm |
| Fuel Consumption Overall | 9.6 L/100km | 8.1 L/100km |
| Fuel Tank Capacity | 70 L | 58 L |
