2004 Audi RS6 vs. 2007 Audi S6
To start off, 2007 Audi S6 is newer by 3 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. At 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (445 HP @ 6300 RPM) has 9 more horse power than 2007 Audi S6. (436 HP @ 6800 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 2007 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 80 kg more than 2007 Audi S6. 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 20 more torque (in Nm) than 2007 Audi S6. (540 Nm @ 3000 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S6. 2007 Audi S6 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. 2007 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi RS6 | 2007 Audi S6 | |
| Make | Audi | Audi |
| Model | RS6 | S6 |
| Year Released | 2004 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 5204 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 445 HP | 436 HP |
| Engine RPM | 6300 RPM | 6800 RPM |
| Torque | 560 Nm | 540 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1760 kg |
| Vehicle Length | 4800 mm | 4920 mm |
| Vehicle Width | 1820 mm | 2020 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2760 mm | 2850 mm |
| Fuel Tank Capacity | 70 L | 80 L |
