2003 Audi A4 vs. 2003 Audi A3
To start off, both 2003 Audi A4 and 2003 Audi A3 were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 1,598 cc (4 cylinders), 2003 Audi A3 is equipped with a bigger engine. In terms of performance, both vehicles can yield 113 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A4 weights approximately 70 kg more than 2003 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, 2003 Audi A3 (156 Nm @ 4000 RPM) has 8 more torque (in Nm) than 2003 Audi A4. (148 Nm @ 3800 RPM). This means 2003 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A4.
Compare all specifications:
| 2003 Audi A4 | 2003 Audi A3 | |
| Make | Audi | Audi |
| Model | A4 | A3 |
| Year Released | 2003 | 2003 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 113 HP |
| Engine RPM | 5800 RPM | 5800 RPM |
| Torque | 148 Nm | 156 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Bore Size | 81.1 mm | 76.5 mm |
| Engine Stroke Size | 77.4 mm | 86.9 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1295 kg | 1225 kg |
| Vehicle Length | 4590 mm | 4210 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Tank Capacity | 70 L | 55 L |
