2006 Audi A4 vs. 2009 Audi A5
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 1,896 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (168 HP @ 4800 RPM) has 54 more horse power than 2006 Audi A4. (114 HP @ 4000 RPM) In normal driving conditions, 2009 Audi A5 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 145 kg more than 2009 Audi A5.
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, 2006 Audi A4 (285 Nm @ 1900 RPM) has 35 more torque (in Nm) than 2009 Audi A5. (250 Nm @ 1500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2006 Audi A4 | 2009 Audi A5 | |
| Make | Audi | Audi |
| Model | A4 | A5 |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1798 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 114 HP | 168 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 285 Nm | 250 Nm |
| Torque RPM | 1900 RPM | 1500 RPM |
| Engine Bore Size | 79.5 mm | 82.6 mm |
| Engine Stroke Size | 95.5 mm | 84.1 mm |
| Engine Compression Ratio | 19.0:1 | 9.6:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 11.5 seconds | 8.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1395 kg |
| Vehicle Length | 4550 mm | 4630 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2760 mm |
| Fuel Consumption Overall | 5.7 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
