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 3,189 cc (6 cylinders), 2006 Audi A3 is equipped with a bigger engine. In terms of performance, 2006 Audi A3 (247 HP @ 6300 RPM) has 98 more horse power than 2003 Audi A6. (149 HP @ 6000 RPM). In normal driving conditions, 2006 Audi A3 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 112 kg more than 2006 Audi A3.
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, 2006 Audi A3 (320 Nm @ 2500 RPM) has 85 more torque (in Nm) than 2003 Audi A6. (235 Nm @ 1750 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 | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3189 cc | 1799 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 247 HP | 149 HP |
| Engine RPM | 6300 RPM | 6000 RPM |
| Torque | 320 Nm | 235 Nm |
| Torque RPM | 2500 RPM | 1750 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 95.9 mm | 86.4 mm |
| Engine Compression Ratio | 11.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1428 kg | 1540 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 Tank Capacity | 60 L | 70 L |
