2008 Audi A4 vs. 2007 Audi A3
To start off, 2008 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A3. In addition, the cost of maintenance, including insurance, on 2007 Audi A3 would be higher. At 1,781 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (161 HP @ 5700 RPM) has 48 more horse power than 2007 Audi A3. (113 HP @ 6000 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 196 kg more than 2007 Audi A3. 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, 2008 Audi A4 (225 Nm @ 1950 RPM) has 70 more torque (in Nm) than 2007 Audi A3. (155 Nm @ 4000 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2008 Audi A4 | 2007 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2008 | 2007 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 161 HP | 113 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 225 Nm | 155 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 76.5 mm |
| Engine Stroke Size | 86.4 mm | 86.9 mm |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 9.4 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1344 kg |
| Vehicle Length | 4580 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Consumption Overall | 8.5 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
