2005 Audi A6 vs. 2005 Audi S4
To start off, both 2005 Audi A6 and 2005 Audi S4 were released in the same year (2005). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 7000 RPM) has 172 more horse power than 2005 Audi A6. (168 HP @ 6000 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 215 kg more than 2005 Audi A6. 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 S4 (410 Nm @ 3500 RPM) has 180 more torque (in Nm) than 2005 Audi A6. (230 Nm @ 3200 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2005 | 2005 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 168 HP | 340 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 230 Nm | 410 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 85 mm |
| Engine Stroke Size | 77.4 mm | 93 mm |
| Engine Compression Ratio | 11.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 218 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 5.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1640 kg | 1855 kg |
| Vehicle Length | 4800 mm | 4580 mm |
| Vehicle Width | 1820 mm | 1790 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 10.8 L/100km | 14 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
