2009 Audi R8 vs. 2004 Audi A6
To start off, 2009 Audi R8 is newer by 5 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 4,163 cc (8 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (414 HP @ 7800 RPM) has 167 more horse power than 2004 Audi A6. (247 HP @ 6300 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 245 kg more than 2009 Audi R8.
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, 2009 Audi R8 (430 Nm @ 4500 RPM) has 90 more torque (in Nm) than 2004 Audi A6. (340 Nm @ 1800 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2009 Audi R8 | 2004 Audi A6 | |
| Make | Audi | Audi |
| Model | R8 | A6 |
| Year Released | 2009 | 2004 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 2671 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 414 HP | 247 HP |
| Engine RPM | 7800 RPM | 6300 RPM |
| Torque | 430 Nm | 340 Nm |
| Torque RPM | 4500 RPM | 1800 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 86 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1805 kg |
| Vehicle Length | 4440 mm | 4800 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1260 mm | 1560 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Tank Capacity | 75 L | 70 L |
