2009 Audi A8 vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A8. In addition, the cost of maintenance, including insurance, on 2009 Audi A8 would be higher. At 4,200 cc (8 cylinders), 2011 Audi R8 is equipped with a bigger engine. In terms of performance, 2011 Audi R8 (420 HP) has 90 more horse power than 2009 Audi A8. (330 HP) In normal driving conditions, 2011 Audi R8 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A8 weights approximately 275 kg more than 2011 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, both vehicles can yield 430 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2009 Audi A8 | 2011 Audi R8 | |
| Make | Audi | Audi |
| Model | A8 | R8 |
| Year Released | 2009 | 2011 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4172 cc | 4200 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 330 HP | 420 HP |
| Torque | 430 Nm | 430 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 6-speed automated manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1910 kg | 1635 kg |
| Vehicle Length | 5190 mm | 4435 mm |
| Vehicle Width | 1900 mm | 1930 mm |
| Vehicle Height | 1460 mm | 1252 mm |
| Wheelbase Size | 3080 mm | 2649 mm |
| Fuel Tank Capacity | 90 L | 90 L |
