2003 Audi A6 vs. 2004 Opel Vectra
To start off, 2004 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,671 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (226 HP @ 5800 RPM) has 53 more horse power than 2004 Opel Vectra. (173 HP @ 5500 RPM). In normal driving conditions, 2003 Audi A6 should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 77 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 Audi A6 (310 Nm @ 1700 RPM) has 45 more torque (in Nm) than 2004 Opel Vectra. (265 Nm @ 2500 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2003 Audi A6 | 2004 Opel Vectra | |
| Make | Audi | Opel |
| Model | A6 | Vectra |
| Year Released | 2003 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 226 HP | 173 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 310 Nm | 265 Nm |
| Torque RPM | 1700 RPM | 2500 RPM |
| Engine Bore Size | 81 mm | 86.1 mm |
| Engine Stroke Size | 86.4 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 9.5:1 |
| Acceleration 0-100mph | 7.3 seconds | 9.4 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1662 kg | 1585 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 | 11.6 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
