2009 Audi A5 vs. 2007 Audi A3
To start off, 2009 Audi A5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 3,187 cc (6 cylinders), 2007 Audi A3 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (247 HP @ 6300 RPM) has 10 more horse power than 2009 Audi A5. (237 HP @ 4000 RPM) In normal driving conditions, 2007 Audi A3 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 115 kg more than 2007 Audi A3.
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, 2009 Audi A5 (500 Nm @ 1500 RPM) has 180 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 2800 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2009 Audi A5 | 2007 Audi A3 | |
| Make | Audi | Audi |
| Model | A5 | A3 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 3187 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 247 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 500 Nm | 320 Nm |
| Torque RPM | 1500 RPM | 2800 RPM |
| Engine Bore Size | 83 mm | 84 mm |
| Engine Stroke Size | 91.4 mm | 95.9 mm |
| Engine Compression Ratio | 16.8:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 6.3 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1610 kg | 1495 kg |
| Vehicle Length | 4630 mm | 4210 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2580 mm |
| Fuel Consumption Overall | 6.6 L/100km | 10.6 L/100km |
| Fuel Tank Capacity | 64 L | 60 L |
