2006 Audi A3 vs. 2003 Audi A6
To start off, 2006 Audi A3 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 2,976 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (217 HP @ 6300 RPM) has 79 more horse power than 2006 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2003 Audi A6 should accelerate faster than 2006 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 155 kg more than 2006 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 Audi A3 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, 2006 Audi A3 (320 Nm @ 1750 RPM) has 20 more torque (in Nm) than 2003 Audi A6. (300 Nm @ 3200 RPM). This means 2006 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2006 Audi A3 | 2003 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2006 | 2003 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2976 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 138 HP | 217 HP |
| Engine RPM | 4000 RPM | 6300 RPM |
| Torque | 320 Nm | 300 Nm |
| Torque RPM | 1750 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 82.6 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.9 seconds | 7.7 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1380 kg | 1535 kg |
| Vehicle Length | 4290 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption Overall | 5.9 L/100km | 9.7 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
