2003 Audi RS6 vs. 2004 Audi A6
To start off, 2004 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi RS6. In addition, the cost of maintenance, including insurance, on 2003 Audi RS6 would be higher. At 4,163 cc (8 cylinders), 2003 Audi RS6 is equipped with a bigger engine. In terms of performance, 2003 Audi RS6 (444 HP @ 6300 RPM) has 196 more horse power than 2004 Audi A6. (248 HP @ 5800 RPM). In normal driving conditions, 2003 Audi RS6 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi RS6 weights approximately 120 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, 2003 Audi RS6 (560 Nm @ 1950 RPM) has 210 more torque (in Nm) than 2004 Audi A6. (350 Nm @ 1800 RPM). This means 2003 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6. 2004 Audi A6 has automatic transmission and 2003 Audi RS6 has manual transmission. 2003 Audi RS6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi RS6 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | RS6 | A6 |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 444 HP | 248 HP |
| Engine RPM | 6300 RPM | 5800 RPM |
| Torque | 560 Nm | 350 Nm |
| Torque RPM | 1950 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1840 kg | 1720 kg |
| Vehicle Length | 4800 mm | 4800 mm |
| Vehicle Width | 1820 mm | 1820 mm |
| Vehicle Height | 1460 mm | 1460 mm |
| Wheelbase Size | 2760 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 70 L |
