2009 Audi A4 vs. 2008 Audi A4
To start off, 2009 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi A4. In addition, the cost of maintenance, including insurance, on 2008 Audi A4 would be higher. At 1,798 cc (4 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (161 HP @ 5700 RPM) has 3 more horse power than 2009 Audi A4. (158 HP @ 4500 RPM) In normal driving conditions, 2008 Audi A4 should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 610 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 A4 (250 Nm @ 1500 RPM) has 25 more torque (in Nm) than 2008 Audi A4. (225 Nm @ 1950 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2009 Audi A4 has automatic transmission and 2008 Audi A4 has manual transmission. 2008 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2008 Audi A4 | |
| Make | Audi | Audi |
| Model | A4 | A4 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1798 cc | 1781 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 158 HP | 161 HP |
| Engine RPM | 4500 RPM | 5700 RPM |
| Torque | 250 Nm | 225 Nm |
| Torque RPM | 1500 RPM | 1950 RPM |
| Engine Bore Size | 82.5 mm | 81.1 mm |
| Engine Stroke Size | 84.1 mm | 86.4 mm |
| Engine Compression Ratio | 9.6:1 | 9.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 8.9 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 930 kg | 1540 kg |
| Vehicle Length | 4710 mm | 4580 mm |
| Vehicle Width | 2010 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2810 mm | 2660 mm |
| Fuel Consumption Overall | 7.4 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 65 L | 70 L |
