2007 Audi A6 vs. 2005 Audi S4
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (339 HP @ 7000 RPM) has 164 more horse power than 2007 Audi A6. (175 HP @ 6000 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 193 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A6. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S4 (430 Nm @ 3500 RPM) has 200 more torque (in Nm) than 2007 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 2007 Audi A6. 2007 Audi A6 has automatic transmission and 2005 Audi S4 has manual transmission. 2005 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 175 HP | 339 HP |
| Engine RPM | 6000 RPM | 7000 RPM |
| Torque | 230 Nm | 430 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 77.4 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 231 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.9 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1482 kg | 1675 kg |
| Vehicle Length | 4920 mm | 4580 mm |
| Vehicle Width | 2020 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2580 mm |
| Fuel Consumption Overall | 9.7 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 70 L | 66 L |
