2005 Audi S4 vs. 2006 Audi A6
To start off, 2006 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. Both 2005 Audi S4 and 2006 Audi A6 are equipped with a 4,163 cc engine. In terms of performance, 2005 Audi S4 (340 HP @ 7000 RPM) has 11 more horse power than 2006 Audi A6. (329 HP @ 6600 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 580 kg more than 2006 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A6. In wet, icy, snow, or gravel driving conditions, 2005 Audi S4 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 A6 (420 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2005 Audi S4. (410 Nm @ 3500 RPM). This means 2006 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S4.
Compare all specifications:
| 2005 Audi S4 | 2006 Audi A6 | |
| Make | Audi | Audi |
| Model | S4 | A6 |
| Year Released | 2005 | 2006 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 340 HP | 329 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 410 Nm | 420 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.1 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 | 1855 kg | 1275 kg |
| Vehicle Length | 4580 mm | 4920 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Highway | 11.4 L/100km | 9.5 L/100km |
| Fuel Consumption City | 15.8 L/100km | 19 L/100km |
| Fuel Consumption Overall | 14 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
