2006 Audi RS4 vs. 2005 Opel Speedster
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 Speedster. In addition, the cost of maintenance, including insurance, on 2005 Opel Speedster 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 (420 HP @ 8250 RPM) has 223 more horse power than 2005 Opel Speedster. (197 HP @ 5500 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2005 Opel Speedster. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 544 kg more than 2005 Opel Speedster. 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 Speedster. 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 (583 Nm @ 5500 RPM) has 332 more torque (in Nm) than 2005 Opel Speedster. (251 Nm @ 1950 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Speedster.
Compare all specifications:
| 2006 Audi RS4 | 2005 Opel Speedster | |
| Make | Audi | Opel |
| Model | RS4 | Speedster |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 420 HP | 197 HP |
| Engine RPM | 8250 RPM | 5500 RPM |
| Torque | 583 Nm | 251 Nm |
| Torque RPM | 5500 RPM | 1950 RPM |
| Top Speed | 245 km/hour | 243 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1549 kg | 1005 kg |
| Vehicle Length | 360 mm | 3790 mm |
| Vehicle Height | 360 mm | 1120 mm |
| Wheelbase Size | 360 mm | 2340 mm |
