2005 Audi A3 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A3. In addition, the cost of maintenance, including insurance, on 2005 Audi A3 would be higher. At 1,780 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (161 HP @ 5700 RPM) has 48 more horse power than 2005 Audi A3. (113 HP @ 5700 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 285 kg more than 2005 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, 2006 Audi A4 (225 Nm @ 1800 RPM) has 69 more torque (in Nm) than 2005 Audi A3. (156 Nm @ 4000 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3.
Compare all specifications:
| 2005 Audi A3 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1780 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 113 HP | 161 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 156 Nm | 225 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Bore Size | 76.5 mm | 81 mm |
| Engine Stroke Size | 86.9 mm | 86.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 196 km/hour | 220 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 8.9 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1225 kg | 1510 kg |
| Vehicle Length | 4210 mm | 4590 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2650 mm |
| Fuel Consumption Overall | 6.5 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
