2006 Audi RS4 vs. 2005 Opel Vectra
To start off, 2006 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (415 HP @ 7800 RPM) has 290 more horse power than 2005 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 322 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 2006 Audi RS4 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, 2006 Audi RS4 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 160 more torque (in Nm) than 2005 Opel Vectra. (270 Nm @ 1500 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2006 Audi RS4 | 2005 Opel Vectra | |
| Make | Audi | Opel |
| Model | RS4 | Vectra |
| Year Released | 2006 | 2005 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 415 HP | 125 HP |
| Engine RPM | 7800 RPM | 4000 RPM |
| Torque | 430 Nm | 270 Nm |
| Torque RPM | 5500 RPM | 1500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 98 mm |
| Engine Compression Ratio | 12.5:1 | 18.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 206 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 11.1 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1845 kg | 1523 kg |
| Vehicle Length | 4560 mm | 4830 mm |
| Vehicle Width | 1820 mm | 1800 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption Overall | 13.9 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 63 L | 61 L |
