2006 Audi S4 vs. 2008 Audi A6
To start off, 2008 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 6800 RPM) has 162 more horse power than 2008 Audi A6. (178 HP @ 3300 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 417 kg more than 2006 Audi S4.
Because 2008 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi S4. In wet, icy, snow, or gravel driving conditions, 2008 Audi A6 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 30 more torque (in Nm) than 2008 Audi A6. (380 Nm @ 1400 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2006 Audi S4 | 2008 Audi A6 | |
| Make | Audi | Audi |
| Model | S4 | A6 |
| Year Released | 2006 | 2008 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2696 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 178 HP |
| Engine RPM | 6800 RPM | 3300 RPM |
| Torque | 410 Nm | 380 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1278 kg | 1695 kg |
| Vehicle Length | 4590 mm | 4940 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 13.1 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
