2001 Audi A2 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 8 year(s). Which means there will be less support and parts availability for 2001 Audi A2. In addition, the cost of maintenance, including insurance, on 2001 Audi A2 would be higher. At 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (237 HP @ 4000 RPM) has 177 more horse power than 2001 Audi A2. (60 HP @ 4000 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 2001 Audi A2. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 765 kg more than 2001 Audi A2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2001 Audi A2. In wet, icy, snow, or gravel driving conditions, 2009 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 A4 (500 Nm @ 1500 RPM) has 360 more torque (in Nm) than 2001 Audi A2. (140 Nm @ 1800 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A2.
Compare all specifications:
| 2001 Audi A2 | 2009 Audi A4 | |
| Make | Audi | Audi |
| Model | A2 | A4 |
| Year Released | 2001 | 2009 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1191 cc | 2965 cc |
| Engine Cylinders | 3 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 60 HP | 237 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 140 Nm | 500 Nm |
| Torque RPM | 1800 RPM | 1500 RPM |
| Engine Bore Size | 76.5 mm | 83 mm |
| Engine Stroke Size | 86.4 mm | 91.4 mm |
| Engine Compression Ratio | 19.5:1 | 16.8:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 168 km/hour | 250 km/hour |
| Acceleration 0-100mph | 14.9 seconds | 6.3 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 930 kg | 1695 kg |
| Vehicle Length | 3830 mm | 4710 mm |
| Vehicle Width | 1680 mm | 1830 mm |
| Vehicle Height | 1560 mm | 1440 mm |
| Wheelbase Size | 2410 mm | 2810 mm |
| Fuel Tank Capacity | 34 L | 64 L |
