2004 Audi A8 vs. 2009 Audi A3
To start off, 2009 Audi A3 is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A8. In addition, the cost of maintenance, including insurance, on 2004 Audi A8 would be higher. At 3,935 cc (8 cylinders), 2004 Audi A8 is equipped with a bigger engine. In terms of performance, 2004 Audi A8 (271 HP @ 3750 RPM) has 170 more horse power than 2009 Audi A3. (101 HP @ 5600 RPM). In normal driving conditions, 2004 Audi A8 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A8 weights approximately 674 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.
Because 2004 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A3. In wet, icy, snow, or gravel driving conditions, 2004 Audi A8 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, 2004 Audi A8 (650 Nm @ 1800 RPM) has 502 more torque (in Nm) than 2009 Audi A3. (148 Nm @ 3800 RPM). This means 2004 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3.
Compare all specifications:
| 2004 Audi A8 | 2009 Audi A3 | |
| Make | Audi | Audi |
| Model | A8 | A3 |
| Year Released | 2004 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3935 cc | 1595 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 271 HP | 101 HP |
| Engine RPM | 3750 RPM | 5600 RPM |
| Torque | 650 Nm | 148 Nm |
| Torque RPM | 1800 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Engine Compression Ratio | 18.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 185 km/hour |
| Acceleration 0-100mph | 6.7 seconds | 12.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1940 kg | 1266 kg |
| Vehicle Length | 5060 mm | 4290 mm |
| Vehicle Width | 1900 mm | 1770 mm |
| Vehicle Height | 1450 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2580 mm |
| Fuel Consumption Overall | 9.7 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 90 L | 55 L |
