2004 Audi A6 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,162 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 211 more horse power than 2004 Audi A6. (128 HP @ 4000 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 200 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 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 S4 (410 Nm @ 3500 RPM) has 125 more torque (in Nm) than 2004 Audi A6. (285 Nm @ 1750 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2006 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2004 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 4162 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 128 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 285 Nm | 410 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 79.5 mm | 84.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 20.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 201 km/hour | 250 km/hour |
| Acceleration 0-100mph | 10.7 seconds | 5.6 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1735 kg |
| Vehicle Length | 4800 mm | 4580 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Consumption Overall | 5.9 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
