2004 Audi A4 vs. 2003 Audi S3
To start off, 2004 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Audi S3. In addition, the cost of maintenance, including insurance, on 2003 Audi S3 would be higher. At 1,784 cc (4 cylinders), 2004 Audi A4 is equipped with a bigger engine. In terms of performance, 2003 Audi S3 (222 HP @ 5900 RPM) has 52 more horse power than 2004 Audi A4. (170 HP @ 6500 RPM) In normal driving conditions, 2003 Audi S3 should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 227 kg more than 2003 Audi S3.
Because 2003 Audi S3 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A4. In wet, icy, snow, or gravel driving conditions, 2003 Audi S3 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, 2003 Audi S3 (280 Nm) has 45 more torque (in Nm) than 2004 Audi A4. (235 Nm). This means 2003 Audi S3 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4.
Compare all specifications:
| 2004 Audi A4 | 2003 Audi S3 | |
| Make | Audi | Audi |
| Model | A4 | S3 |
| Year Released | 2004 | 2003 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1784 cc | 1779 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 170 HP | 222 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 235 Nm | 280 Nm |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86 mm | 86.4 mm |
| Engine Compression Ratio | 9.3:1 | 9.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1650 kg | 1423 kg |
| Vehicle Length | 4580 mm | 4170 mm |
| Vehicle Width | 1780 mm | 1770 mm |
| Vehicle Height | 1400 mm | 1420 mm |
| Wheelbase Size | 2580 mm | 2530 mm |
| Fuel Tank Capacity | 70 L | 62 L |
