2001 Audi A6 vs. 2005 Audi RS6
To start off, 2005 Audi RS6 is newer by 4 year(s). Which means there will be less support and parts availability for 2001 Audi A6. In addition, the cost of maintenance, including insurance, on 2001 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 296 more horse power than 2001 Audi A6. (148 HP @ 6000 RPM) In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2001 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 325 kg more than 2001 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 345 more torque (in Nm) than 2001 Audi A6. (235 Nm @ 1750 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A6. 2005 Audi RS6 has automatic transmission and 2001 Audi A6 has manual transmission. 2001 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:
| 2001 Audi A6 | 2005 Audi RS6 | |
| Make | Audi | Audi |
| Model | A6 | RS6 |
| Year Released | 2001 | 2005 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1799 cc | 4172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 148 HP | 444 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 235 Nm | 580 Nm |
| Torque RPM | 1750 RPM | 1950 RPM |
| Engine Compression Ratio | 10.0:1 | 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 | 1540 kg | 1865 kg |
| Vehicle Length | 4800 mm | 4840 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2760 mm |
| Fuel Tank Capacity | 70 L | 82 L |
