2003 Audi A6 vs. 2009 Audi R8
To start off, 2009 Audi R8 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 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 188 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2009 Audi R8 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 102 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 120 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2003 Audi A6 | 2009 Audi R8 | |
| Make | Audi | Audi |
| Model | A6 | R8 |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 2671 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 226 HP | 414 HP |
| Engine RPM | 5800 RPM | 7800 RPM |
| Torque | 310 Nm | 430 Nm |
| Torque RPM | 1700 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 12.5:1 |
| Top Speed | 245 km/hour | 301 km/hour |
| Acceleration 0-100mph | 7.3 seconds | 4.9 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1662 kg | 1560 kg |
| Vehicle Length | 4800 mm | 4440 mm |
| Vehicle Width | 1820 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1260 mm |
| Wheelbase Size | 2770 mm | 2660 mm |
| Fuel Consumption Overall | 11.6 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
