2004 Audi RS6 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 RS6. In addition, the cost of maintenance, including insurance, on 2004 Audi RS6 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 (444 HP @ 6300 RPM) has 322 more horse power than 2005 Opel Vectra. (122 HP @ 5600 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 550 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.
Because 2004 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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 2005 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 2005 Opel Vectra.
Compare all specifications:
| 2004 Audi RS6 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | RS6 | Vectra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 122 HP |
| Engine RPM | 6300 RPM | 5600 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 | 9.3:1 | 10.5:1 |
| Top Speed | 250 km/hour | 208 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1360 kg |
| Vehicle Length | 4860 mm | 4500 mm |
| Vehicle Width | 1860 mm | 1710 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2450 mm |
| Fuel Tank Capacity | 82 L | 60 L |
