2004 Audi A6 vs. 2009 Audi R8
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 5,204 cc (10 cylinders), 2009 Audi R8 is equipped with a bigger engine. In terms of performance, 2009 Audi R8 (518 HP @ 8000 RPM) has 338 more horse power than 2004 Audi A6. (180 HP @ 6000 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 82 kg more than 2009 Audi R8.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 will offer significantly more control. 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 (530 Nm @ 6500 RPM) has 295 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 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:
| 2004 Audi A6 | 2009 Audi R8 | |
| Make | Audi | Audi |
| Model | A6 | R8 |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2496 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 180 HP | 518 HP |
| Engine RPM | 6000 RPM | 8000 RPM |
| Torque | 235 Nm | 530 Nm |
| Torque RPM | 3000 RPM | 6500 RPM |
| Engine Compression Ratio | 10.3:1 | 12.5:1 |
| Top Speed | 221 km/hour | 311 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 3.9 seconds |
| Drive Type | Front | AWD |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1580 kg |
| Vehicle Length | 4940 mm | 4440 mm |
| Vehicle Width | 1860 mm | 1940 mm |
| Vehicle Height | 1470 mm | 1260 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption | 7.2 L/100km | 12.4 L/100km |
| Fuel Consumption City | 13.8 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.6 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
