2006 Audi A6 vs. 2003 Opel Vectra
To start off, 2006 Audi A6 is newer by 3 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 3,123 cc (6 cylinders), 2006 Audi A6 is equipped with a bigger engine. In terms of performance, 2006 Audi A6 (252 HP @ 6500 RPM) has 79 more horse power than 2003 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2006 Audi A6 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A6 weights approximately 30 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, 2006 Audi A6 (330 Nm @ 3250 RPM) has 60 more torque (in Nm) than 2003 Opel Vectra. (270 Nm @ 2500 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2006 Audi A6 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 173 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 330 Nm | 270 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Engine Compression Ratio | 13.0:1 | 9.5:1 |
| Top Speed | 250 km/hour | 230 km/hour |
| Acceleration 0-100mph | 6.9 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1510 kg |
| Vehicle Length | 4920 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2840 mm |
| Fuel Consumption Overall | 9.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
