2009 Audi A8 vs. 2008 Audi R8
To start off, 2009 Audi A8 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 4,163 cc (8 cylinders), 2008 Audi R8 is equipped with a bigger engine. In terms of performance, 2008 Audi R8 (420 HP) has 164 more horse power than 2009 Audi A8. (256 HP) In normal driving conditions, 2008 Audi R8 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi R8 weights approximately 265 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Audi A8. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi R8 (430 Nm @ 4500 RPM) has 100 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2008 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8. 2009 Audi A8 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 A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A8 | 2008 Audi R8 | |
| Make | Audi | Audi |
| Model | A8 | R8 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 3123 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 256 HP | 420 HP |
| Torque | 330 Nm | 430 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 895 kg | 1160 kg |
| Vehicle Length | 5060 mm | 4440 mm |
| Vehicle Width | 1900 mm | 1910 mm |
| Vehicle Height | 1450 mm | 1260 mm |
| Wheelbase Size | 2950 mm | 2660 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
