2007 Audi A4 vs. 2005 Audi A3
To start off, 2007 Audi A4 is newer by 2 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 3,188 cc (6 cylinders), 2005 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (252 HP @ 5100 RPM) has 5 more horse power than 2005 Audi A3. (247 HP @ 6000 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2005 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 130 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 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, 2007 Audi A4 (330 Nm @ 3250 RPM) has 10 more torque (in Nm) than 2005 Audi A3. (320 Nm @ 2500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A3. 2007 Audi A4 has automatic transmission and 2005 Audi A3 has manual transmission. 2005 Audi A3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A4 | 2005 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2007 | 2005 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3121 cc | 3188 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 247 HP |
| Engine RPM | 5100 RPM | 6000 RPM |
| Torque | 330 Nm | 320 Nm |
| Torque RPM | 3250 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 95.9 mm |
| Engine Compression Ratio | 12.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.4 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1740 kg | 1610 kg |
| Vehicle Length | 4580 mm | 4290 mm |
| Vehicle Width | 1400 mm | 1770 mm |
| Vehicle Height | 1780 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 11.1 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
