2009 Audi R8 vs. 2008 Audi A8
To start off, 2009 Audi R8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A8. In addition, the cost of maintenance, including insurance, on 2008 Audi A8 would be higher. At 5,998 cc, 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (450 HP @ 6200 RPM) has 36 more horse power than 2009 Audi R8. (414 HP @ 7800 RPM) In normal driving conditions, 2008 Audi A8 should accelerate faster 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, 2008 Audi A8 (580 Nm @ 4000 RPM) has 150 more torque (in Nm) than 2009 Audi R8. (430 Nm @ 4500 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi R8.
Compare all specifications:
| 2009 Audi R8 | 2008 Audi A8 | |
| Make | Audi | Audi |
| Model | R8 | A8 |
| Year Released | 2009 | 2008 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 5998 cc |
| Engine Type | V | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 450 HP |
| Engine RPM | 7800 RPM | 6200 RPM |
| Torque | 430 Nm | 580 Nm |
| Torque RPM | 4500 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 90.2 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4440 mm | 5200 mm |
| Vehicle Width | 1910 mm | 1900 mm |
| Vehicle Height | 1260 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 3080 mm |
| Fuel Consumption Overall | 13.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 75 L | 90 L |
