2005 Audi A4 vs. 2008 Audi S6
To start off, 2008 Audi S6 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 4,172 cc (8 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2008 Audi S6 (335 HP @ 7000 RPM) has 115 more horse power than 2005 Audi A4. (220 HP @ 6200 RPM) In normal driving conditions, 2008 Audi S6 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S6 weights approximately 85 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.
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, 2008 Audi S6 (420 Nm) has 120 more torque (in Nm) than 2005 Audi A4. (300 Nm). This means 2008 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2008 Audi S6 has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2008 Audi S6 | |
| Make | Audi | Audi |
| Model | A4 | S6 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2967 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 220 HP | 335 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 300 Nm | 420 Nm |
| Engine Bore Size | 83 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Engine Compression Ratio | 10.1:1 | 11.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1730 kg | 1815 kg |
| Vehicle Length | 4550 mm | 4840 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 11.8 L/100km | 14.5 L/100km |
| Fuel Tank Capacity | 66 L | 82 L |
