2009 Audi RS6 vs. 2008 Audi R8
To start off, 2009 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi R8. In addition, the cost of maintenance, including insurance, on 2008 Audi R8 would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 158 more horse power than 2008 Audi R8. (414 HP @ 7800 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2008 Audi R8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 468 kg more than 2008 Audi R8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 RS6 (650 Nm @ 1500 RPM) has 219 more torque (in Nm) than 2008 Audi R8. (431 Nm @ 4500 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi R8. 2009 Audi RS6 has automatic transmission and 2008 Audi R8 has manual transmission. 2008 Audi R8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS6 | 2008 Audi R8 | |
| Make | Audi | Audi |
| Model | RS6 | R8 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4991 cc | 4163 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 414 HP |
| Engine RPM | 6250 RPM | 7800 RPM |
| Torque | 650 Nm | 431 Nm |
| Torque RPM | 1500 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 89 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 301 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 4.6 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2028 kg | 1560 kg |
| Vehicle Length | 4930 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1260 mm |
| Wheelbase Size | 2850 mm | 2660 mm |
| Fuel Consumption Overall | 6.8 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 80 L | 75 L |
