2005 Audi A8 vs. 2009 Audi A3
To start off, 2009 Audi A3 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 4,163 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (335 HP @ 4000 RPM) has 197 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 579 kg more than 2009 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2005 Audi A8 (431 Nm) has 111 more torque (in Nm) than 2009 Audi A3. (320 Nm). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2005 Audi A8 | 2009 Audi A3 | |
| Make | Audi | Audi |
| Model | A8 | A3 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1968 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 335 HP | 138 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 431 Nm | 320 Nm |
| Engine Bore Size | 85 mm | 81 mm |
| Engine Stroke Size | 93 mm | 95.5 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1995 kg | 1416 kg |
| Vehicle Length | 5190 mm | 4220 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 3080 mm | 2580 mm |
| Fuel Consumption Overall | 11.8 L/100km | 5.5 L/100km |
| Fuel Tank Capacity | 90 L | 55 L |
