2005 Audi S6 vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi S6. In addition, the cost of maintenance, including insurance, on 2005 Audi S6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (339 HP @ 7000 RPM) has 4 more horse power than 2005 Audi S6. (335 HP @ 7000 RPM) In normal driving conditions, 2008 Audi S4 should accelerate faster than 2005 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S4 weights approximately 35 kg more than 2005 Audi S6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 10 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4. 2005 Audi S6 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. 2005 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi S6 | 2008 Audi S4 | |
| Make | Audi | Audi |
| Model | S6 | S4 |
| Year Released | 2005 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 339 HP |
| Engine RPM | 7000 RPM | 7000 RPM |
| Torque | 420 Nm | 410 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 6.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1795 kg |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Tank Capacity | 82 L | 66 L |
