2004 Audi A6 vs. 2005 Audi RS6
To start off, 2005 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,172 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 223 more horse power than 2004 Audi A6. (221 HP @ 4000 RPM) In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 60 kg more than 2004 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 RS6 (580 Nm @ 1950 RPM) has 130 more torque (in Nm) than 2004 Audi A6. (450 Nm @ 1400 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6. 2005 Audi RS6 has automatic transmission and 2004 Audi A6 has manual transmission. 2004 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A6 | 2005 Audi RS6 | |
| Make | Audi | Audi |
| Model | A6 | RS6 |
| Year Released | 2004 | 2005 |
| 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 | 4 valves | 5 valves |
| Horse Power | 221 HP | 444 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 450 Nm | 580 Nm |
| Torque RPM | 1400 RPM | 1950 RPM |
| Engine Compression Ratio | 17.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 235 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 4.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1865 kg |
| Vehicle Length | 4940 mm | 4840 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2760 mm |
| Fuel Consumption Overall | 8 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 80 L | 82 L |
