2003 Audi A6 vs. 2006 Audi A3
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 265 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 2003 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A3. In wet, icy, snow, or gravel driving conditions, 2003 Audi A6 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, both vehicles can yield 320 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2003 Audi A6 | 2006 Audi A3 | |
| Make | Audi | Audi |
| Model | A6 | A3 |
| Year Released | 2003 | 2006 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 1968 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 138 HP |
| Engine RPM | 6300 RPM | 4000 RPM |
| Torque | 320 Nm | 320 Nm |
| Torque RPM | 3200 RPM | 1750 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 95.5 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 238 km/hour | 207 km/hour |
| Acceleration 0-100mph | 7.8 seconds | 9.7 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 | 1645 kg | 1380 kg |
| Vehicle Length | 4800 mm | 4290 mm |
| Vehicle Width | 1820 mm | 1770 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2430 mm | 2580 mm |
| Fuel Consumption Overall | 11.5 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
