2005 Audi A4 vs. 2005 Audi S6
To start off, both 2005 Audi A4 and 2005 Audi S6 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 165 more horse power than 2005 Audi A4. (170 HP @ 6300 RPM) In normal driving conditions, 2005 Audi S6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 235 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S6 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A4. In wet, icy, snow, or gravel driving conditions, 2005 Audi S6 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, 2005 Audi S6 (420 Nm @ 3400 RPM) has 195 more torque (in Nm) than 2005 Audi A4. (225 Nm @ 1750 RPM). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2005 Audi S6 | |
| Make | Audi | Audi |
| Model | A4 | S6 |
| Year Released | 2005 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 4172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 170 HP | 335 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 225 Nm | 420 Nm |
| Torque RPM | 1750 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86 mm | 93 mm |
| Engine Compression Ratio | 9.3:1 | 11.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1525 kg | 1760 kg |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 82 L |
