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 2,965 cc (6 cylinders), 2009 Audi A5 is equipped with a bigger engine. In terms of performance, 2009 Audi A5 (237 HP @ 4000 RPM) has 40 more horse power than 2007 Audi A4. (197 HP @ 5100 RPM). In normal driving conditions, 2009 Audi A5 should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 20 kg more than 2009 Audi A5.
Because 2009 Audi A5 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Audi A4. In wet, icy, snow, or gravel driving conditions, 2009 Audi A5 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 (500 Nm @ 1500 RPM) has 220 more torque (in Nm) than 2007 Audi A4. (280 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. 2007 Audi A4 has automatic transmission and 2009 Audi A5 has manual transmission. 2009 Audi A5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi A4 will be easier to drive especially in heavy traffic.
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 | 2965 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 237 HP | 197 HP |
| Engine RPM | 4000 RPM | 5100 RPM |
| Torque | 500 Nm | 280 Nm |
| Torque RPM | 1500 RPM | 1800 RPM |
| Engine Bore Size | 83 mm | 82.5 mm |
| Engine Stroke Size | 91.4 mm | 92.8 mm |
| Engine Compression Ratio | 16.8:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 8.2 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1630 kg |
| Vehicle Length | 4630 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1400 mm |
| Vehicle Height | 1380 mm | 1780 mm |
| Wheelbase Size | 2760 mm | 2660 mm |
| Fuel Consumption Overall | 6.6 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
