2004 Audi RS6 vs. 2008 Audi S4
To start off, 2008 Audi S4 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi RS6. In addition, the cost of maintenance, including insurance, on 2004 Audi RS6 would be higher. Both 2004 Audi RS6 and 2008 Audi S4 are equipped with a 4,163 cc engine. In terms of performance, 2004 Audi RS6 (444 HP @ 6300 RPM) has 104 more horse power than 2008 Audi S4. (340 HP @ 7000 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2008 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 155 kg more than 2008 Audi S4. 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 150 more torque (in Nm) than 2008 Audi S4. (410 Nm @ 3500 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S4. 2008 Audi S4 has automatic transmission and 2004 Audi RS6 has manual transmission. 2004 Audi RS6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi RS6 | 2008 Audi S4 | |
| Make | Audi | Audi |
| Model | RS6 | S4 |
| Year Released | 2004 | 2008 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 444 HP | 340 HP |
| Engine RPM | 6300 RPM | 7000 RPM |
| Torque | 560 Nm | 410 Nm |
| Torque RPM | 1950 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1755 kg |
| Vehicle Length | 4860 mm | 4590 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2650 mm |
| Fuel Consumption Overall | 14.6 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 82 L | 63 L |
