2009 Audi A5 vs. 2006 Audi A4
To start off, 2009 Audi A5 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 1,968 cc (4 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (187 HP @ 5700 RPM) has 18 more horse power than 2009 Audi A5. (169 HP @ 4200 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A5 weights approximately 75 kg more than 2006 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 (350 Nm @ 1750 RPM) has 110 more torque (in Nm) than 2006 Audi A4. (240 Nm @ 1950 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2009 Audi A5 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A5 | A4 |
| Year Released | 2009 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 169 HP | 187 HP |
| Engine RPM | 4200 RPM | 5700 RPM |
| Torque | 350 Nm | 240 Nm |
| Torque RPM | 1750 RPM | 1950 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 86.4 mm |
| Engine Compression Ratio | 16.5:1 | 9.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 230 km/hour | 228 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 8.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1395 kg |
| Vehicle Length | 4630 mm | 4550 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2660 mm |
| Fuel Consumption Overall | 5.6 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 65 L | 70 L |
