2007 Audi A3 vs. 2003 Audi A6
To start off, 2007 Audi A3 is newer by 4 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 1,984 cc (4 cylinders), 2003 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A3 (138 HP @ 4000 RPM) has 10 more horse power than 2003 Audi A6. (128 HP @ 5700 RPM). In normal driving conditions, 2007 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 86 kg more than 2007 Audi A3.
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, 2007 Audi A3 (320 Nm @ 2500 RPM) has 125 more torque (in Nm) than 2003 Audi A6. (195 Nm @ 3300 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6.
Compare all specifications:
| 2007 Audi A3 | 2003 Audi A6 | |
| Make | Audi | Audi |
| Model | A3 | A6 |
| Year Released | 2007 | 2003 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 128 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 320 Nm | 195 Nm |
| Torque RPM | 2500 RPM | 3300 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 95.5 mm | 92.8 mm |
| Engine Compression Ratio | 18.0:1 | 10.3:1 |
| Top Speed | 207 km/hour | 198 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 10.8 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1344 kg | 1430 kg |
| Vehicle Length | 4210 mm | 4800 mm |
| Vehicle Width | 1960 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2580 mm | 2770 mm |
| Fuel Consumption Overall | 6.8 L/100km | 8.4 L/100km |
| Fuel Tank Capacity | 55 L | 70 L |
