2004 Audi RS6 vs. 2003 Opel Vectra
To start off, 2004 Audi RS6 is newer by 1 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 4,163 cc (8 cylinders), 2004 Audi RS6 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (445 HP @ 6300 RPM) has 325 more horse power than 2003 Opel Vectra. (120 HP @ 5800 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 350 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.
Because 2004 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2004 Audi RS6 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 390 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2004 Audi RS6 | 2003 Opel Vectra | |
| Make | Audi | Opel |
| Model | RS6 | Vectra |
| Year Released | 2004 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1795 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 445 HP | 120 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 560 Nm | 170 Nm |
| Torque RPM | 1950 RPM | 3800 RPM |
| Engine Bore Size | 84.5 mm | 80.5 mm |
| Engine Stroke Size | 93 mm | 88.2 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1490 kg |
| Vehicle Length | 4800 mm | 4500 mm |
| Vehicle Width | 1820 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2640 mm |
| Fuel Tank Capacity | 70 L | 60 L |
