2009 Audi A6 vs. 2008 Audi S4
To start off, 2009 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S4. In addition, the cost of maintenance, including insurance, on 2008 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2008 Audi S4 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 134 more horse power than 2009 Audi A6. (206 HP @ 5500 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 410 kg more than 2008 Audi S4.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 130 more torque (in Nm) than 2009 Audi A6. (280 Nm @ 3000 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6. 2009 Audi A6 has automatic transmission and 2008 Audi S4 has manual transmission. 2008 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2008 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2773 cc | 4161 cc |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 206 HP | 340 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 280 Nm | 410 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1570 kg | 1160 kg |
| Vehicle Length | 4920 mm | 4590 mm |
| Vehicle Width | 1470 mm | 1790 mm |
| Vehicle Height | 1860 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Overall | 6.8 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
