2008 Audi RS6 vs. 2004 Audi A4
To start off, 2008 Audi RS6 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 283 more horse power than 2004 Audi A4. (161 HP @ 5700 RPM). In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 425 kg more than 2004 Audi A4. 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, 2008 Audi RS6 (560 Nm @ 1950 RPM) has 330 more torque (in Nm) than 2004 Audi A4. (230 Nm @ 1950 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2008 Audi RS6 has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi RS6 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | RS6 | A4 |
| Year Released | 2008 | 2004 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1781 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 444 HP | 161 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 560 Nm | 230 Nm |
| Torque RPM | 1950 RPM | 1950 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 223 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 8.9 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1955 kg | 1530 kg |
| Vehicle Length | 4840 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2580 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 82 L | 63 L |
