2009 Audi R8 vs. 2005 Audi A6
To start off, 2009 Audi R8 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 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 (420 HP @ 7800 RPM) has 168 more horse power than 2005 Audi A6. (252 HP @ 6500 RPM). In normal driving conditions, 2009 Audi R8 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 645 kg more than 2009 Audi R8.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2005 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 (430 Nm @ 4500 RPM) has 100 more torque (in Nm) than 2005 Audi A6. (330 Nm @ 3250 RPM). This means 2009 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2009 Audi R8 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | R8 | A6 |
| Year Released | 2009 | 2005 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 3121 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 420 HP | 252 HP |
| Engine RPM | 7800 RPM | 6500 RPM |
| Torque | 430 Nm | 330 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Compression Ratio | 12.5:1 | 13.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | AWD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 895 kg | 1540 kg |
| Vehicle Length | 4440 mm | 4920 mm |
| Vehicle Width | 1910 mm | 1860 mm |
| Vehicle Height | 1260 mm | 1470 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 15.7 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
