2008 Audi A6 vs. 2007 Audi S4
To start off, 2008 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (339 HP @ 7000 RPM) has 178 more horse power than 2008 Audi A6. (161 HP @ 4000 RPM) In normal driving conditions, 2007 Audi S4 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S4 weights approximately 102 kg more than 2008 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Audi A6. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Audi S4 (410 Nm @ 3500 RPM) has 100 more torque (in Nm) than 2008 Audi A6. (310 Nm @ 1400 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6.
Compare all specifications:
| 2008 Audi A6 | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2008 | 2007 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 161 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 310 Nm | 410 Nm |
| Torque RPM | 1400 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 19.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 220 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 5.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1620 kg | 1722 kg |
| Vehicle Length | 4800 mm | 4590 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
| Fuel Consumption Overall | 6.9 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
