2005 Audi A2 vs. 2006 Audi A4
To start off, 2006 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Audi A2. In addition, the cost of maintenance, including insurance, on 2005 Audi A2 would be higher. At 1,595 cc (4 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (101 HP @ 5600 RPM) has 12 more horse power than 2005 Audi A2. (89 HP @ 5000 RPM) In normal driving conditions, 2006 Audi A4 should accelerate faster than 2005 Audi A2. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 265 kg more than 2005 Audi A2. 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, 2005 Audi A2 (230 Nm @ 1900 RPM) has 82 more torque (in Nm) than 2006 Audi A4. (148 Nm @ 3800 RPM). This means 2005 Audi A2 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2005 Audi A2 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | A2 | A4 |
| Year Released | 2005 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1422 cc | 1595 cc |
| Engine Cylinders | 3 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 89 HP | 101 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 230 Nm | 148 Nm |
| Torque RPM | 1900 RPM | 3800 RPM |
| Engine Bore Size | 79.6 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Engine Compression Ratio | 18.0:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 10.9 seconds | 12.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1030 kg | 1295 kg |
| Vehicle Length | 3830 mm | 4550 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1560 mm | 1430 mm |
| Wheelbase Size | 2470 mm | 2660 mm |
| Fuel Consumption Overall | 4.3 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 42 L | 70 L |
