2005 Audi S6 vs. 2012 Audi S5
To start off, 2012 Audi S5 is newer by 7 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 4,200 cc (8 cylinders), 2012 Audi S5 is equipped with a bigger engine. In terms of performance, 2012 Audi S5 (354 HP @ 5500 RPM) has 19 more horse power than 2005 Audi S6. (335 HP @ 7000 RPM) In normal driving conditions, 2012 Audi S5 should accelerate faster than 2005 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 10 kg more than 2012 Audi S5.
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, 2012 Audi S5 (440 Nm @ 3500 RPM) has 20 more torque (in Nm) than 2005 Audi S6. (420 Nm @ 3400 RPM). This means 2012 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi S6.
Compare all specifications:
| 2005 Audi S6 | 2012 Audi S5 | |
| Make | Audi | Audi |
| Model | S6 | S5 |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 335 HP | 354 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 420 Nm | 440 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1750 kg |
| Wheelbase Size | 2770 mm | 2751 mm |
| Fuel Tank Capacity | 82 L | 64 L |
