2007 Audi A3 vs. 2005 Audi A4
To start off, 2007 Audi A3 is newer by 2 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 2,976 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 4000 RPM) has 113 more horse power than 2007 Audi A3. (104 HP @ 4000 RPM) In normal driving conditions, 2005 Audi A4 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 336 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.
Let's talk about torque, 2005 Audi A4 (300 Nm) has 50 more torque (in Nm) than 2007 Audi A3. (250 Nm). This means 2005 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 | 2005 Audi A4 | |
| Make | Audi | Audi |
| Model | A3 | A4 |
| Year Released | 2007 | 2005 |
| Body Type | Hatchback | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2976 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 104 HP | 217 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 250 Nm | 300 Nm |
| Engine Bore Size | 79.5 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 93 mm |
| Engine Compression Ratio | 19.0:1 | 10.1:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1362 kg | 1698 kg |
| Vehicle Length | 4210 mm | 4580 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2660 mm |
| Fuel Consumption Overall | 5.1 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
