2009 Audi A3 vs. 2003 Audi A6
To start off, 2009 Audi A3 is newer by 6 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 2,698 cc (6 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2003 Audi A6 (178 HP @ 3300 RPM) has 40 more horse power than 2009 Audi A3. (138 HP @ 4000 RPM) In normal driving conditions, 2003 Audi A6 should accelerate faster than 2009 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 395 kg more than 2009 Audi A3. 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, 2003 Audi A6 (370 Nm @ 1400 RPM) has 50 more torque (in Nm) than 2009 Audi A3. (320 Nm @ 1750 RPM). This means 2003 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A3. 2009 Audi A3 has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A3 | 2003 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2009 | 2003 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2698 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 178 HP |
| Engine RPM | 4000 RPM | 3300 RPM |
| Torque | 320 Nm | 370 Nm |
| Torque RPM | 1750 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 83.1 mm |
| Engine Stroke Size | 95.5 mm | 83.1 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1300 kg | 1695 kg |
| Vehicle Length | 4290 mm | 4940 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2580 mm | 2850 mm |
| Fuel Consumption Overall | 5.7 L/100km | 7.1 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
