2005 Audi A4 vs. 2007 Audi A3
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 3,189 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 86 more horse power than 2005 Audi A4. (161 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A3 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A3 weights approximately 45 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Audi A4. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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 (350 Nm @ 1500 RPM) has 30 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2500 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3. 2007 Audi A3 has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2007 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 3189 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 247 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 350 Nm | 320 Nm |
| Torque RPM | 1500 RPM | 2500 RPM |
| Engine Compression Ratio | 18.0:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.8 seconds | 6.5 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1510 kg | 1555 kg |
| Vehicle Length | 4550 mm | 4210 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 6.8 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
