2004 Audi A3 vs. 2005 Audi A4
To start off, 2005 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A3. In addition, the cost of maintenance, including insurance, on 2004 Audi A3 would be higher. At 1,785 cc (4 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (174 HP @ 4000 RPM) has 73 more horse power than 2004 Audi A3. (101 HP @ 5600 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 300 kg more than 2004 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A3. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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, 2005 Audi A4 (230 Nm) has 82 more torque (in Nm) than 2004 Audi A3. (148 Nm). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A3.
Compare all specifications:
| 2004 Audi A3 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 1785 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 174 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 148 Nm | 230 Nm |
| Engine Compression Ratio | 10.3:1 | 9.3:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1295 kg | 1595 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2660 mm |
| Fuel Consumption | 5.6 L/100km | 7.8 L/100km |
| Fuel Consumption City | 10.9 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 7.6 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
