2006 Audi A4 vs. 2008 Audi RS6
To start off, 2008 Audi RS6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 276 more horse power than 2006 Audi A4. (168 HP @ 6000 RPM) In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 355 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi RS6 (560 Nm @ 1950 RPM) has 330 more torque (in Nm) than 2006 Audi A4. (230 Nm @ 3200 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 2008 Audi RS6 has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A4 | 2008 Audi RS6 | |
| Make | Audi | Audi |
| Model | A4 | RS6 |
| Year Released | 2006 | 2008 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 168 HP | 444 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 230 Nm | 560 Nm |
| Torque RPM | 3200 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 77.4 mm | 93 mm |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 224 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10 seconds | 4.7 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1600 kg | 1955 kg |
| Vehicle Length | 4580 mm | 4840 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 9.8 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
