2007 Audi A3 vs. 2004 Audi A4
To start off, 2007 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 3,195 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (252 HP @ 6500 RPM) has 1 more horse power than 2007 Audi A3. (251 HP @ 6300 RPM) In normal driving conditions, 2004 Audi A4 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 175 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2004 Audi A4 (330 Nm @ 3250 RPM) has 10 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2800 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 2004 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2007 | 2004 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3195 cc | 3122 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 251 HP | 252 HP |
| Engine RPM | 6300 RPM | 6500 RPM |
| Torque | 320 Nm | 330 Nm |
| Torque RPM | 2800 RPM | 3250 RPM |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 95.9 mm | 92.8 mm |
| Engine Compression Ratio | 11.3:1 | 12.5:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1455 kg | 1630 kg |
| Vehicle Length | 4290 mm | 4590 mm |
| Vehicle Width | 1960 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2580 mm | 2430 mm |
| Fuel Consumption Highway | 8.7 L/100km | 7.9 L/100km |
| Fuel Consumption City | 11.2 L/100km | 15.4 L/100km |
| Fuel Consumption Overall | 10.2 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 55 L | 63 L |
