2005 Audi A6 vs. 2006 Audi RS4
To start off, 2006 Audi RS4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 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 254 more horse power than 2005 Audi A6. (161 HP @ 4000 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 200 kg more than 2005 Audi A6. 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 Audi A6. 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 120 more torque (in Nm) than 2005 Audi A6. (310 Nm @ 1400 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2005 Audi A6 has automatic transmission and 2006 Audi RS4 has manual transmission. 2006 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 2006 Audi RS4 | |
| Make | Audi | Audi |
| Model | A6 | RS4 |
| Year Released | 2005 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4163 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 415 HP |
| Engine RPM | 4000 RPM | 7800 RPM |
| Torque | 310 Nm | 430 Nm |
| Torque RPM | 1400 RPM | 5500 RPM |
| Engine Compression Ratio | 19.5:1 | 12.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 210 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1645 kg | 1845 kg |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Overall | 6.9 L/100km | 13.9 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
