2009 Audi A5 vs. 2007 Audi A4
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 A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,698 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (200 HP @ 5100 RPM) has 13 more horse power than 2009 Audi A5. (187 HP @ 3500 RPM) In normal driving conditions, 2007 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 265 kg more than 2007 Audi A4.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A5. In wet, icy, snow, or gravel driving conditions, 2007 Audi A4 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, 2009 Audi A5 (400 Nm @ 1400 RPM) has 119 more torque (in Nm) than 2007 Audi A4. (281 Nm @ 1800 RPM). This means 2009 Audi A5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2009 Audi A5 | 2007 Audi A4 | |
| Make | Audi | Audi |
| Model | A5 | A4 |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 1983 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 187 HP | 200 HP |
| Engine RPM | 3500 RPM | 5100 RPM |
| Torque | 400 Nm | 281 Nm |
| Torque RPM | 1400 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 83.1 mm | 92.8 mm |
| Engine Compression Ratio | 16.8:1 | 10.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 232 km/hour | 208 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 10.9 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1575 kg | 1310 kg |
| Vehicle Length | 4630 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1400 mm |
| Wheelbase Size | 2760 mm | 2660 mm |
| Fuel Consumption Overall | 6.7 L/100km | 9.4 L/100km |
| Fuel Tank Capacity | 65 L | 63 L |
