2005 Audi A4 vs. 2008 Audi A3
To start off, 2008 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 2,392 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (178 HP @ 4000 RPM) has 74 more horse power than 2008 Audi A3. (104 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2008 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 230 kg more than 2008 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 2008 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 (370 Nm @ 1500 RPM) has 120 more torque (in Nm) than 2008 Audi A3. (250 Nm @ 1900 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A3.
Compare all specifications:
| 2005 Audi A4 | 2008 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2392 cc | 1895 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 178 HP | 104 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 370 Nm | 250 Nm |
| Torque RPM | 1500 RPM | 1900 RPM |
| Engine Bore Size | 78.3 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 95.5 mm |
| Engine Compression Ratio | 19.0:1 | 19.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 223 km/hour | 187 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 11.4 seconds |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1590 kg | 1360 kg |
| Vehicle Length | 4550 mm | 4220 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2580 mm |
| Fuel Consumption Overall | 7.6 L/100km | 5.1 L/100km |
| Fuel Tank Capacity | 66 L | 55 L |
