2004 Audi A3 vs. 2005 Audi S4
To start off, 2005 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi A3. In addition, the cost of maintenance, including insurance, on 2004 Audi A3 would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 143 more horse power than 2004 Audi A3. (197 HP @ 5100 RPM) In normal driving conditions, 2005 Audi S4 should accelerate faster than 2004 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 360 kg more than 2004 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 180 more torque (in Nm) than 2004 Audi A3. (230 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A3.
Compare all specifications:
| 2004 Audi A3 | 2005 Audi S4 | |
| Make | Audi | Audi |
| Model | A3 | S4 |
| Year Released | 2004 | 2005 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1983 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 197 HP | 340 HP |
| Engine RPM | 5100 RPM | 4000 RPM |
| Torque | 230 Nm | 410 Nm |
| Engine Bore Size | 82.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Engine Compression Ratio | 11.5:1 | 11.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1410 kg | 1770 kg |
| Vehicle Length | 4290 mm | 4550 mm |
| Vehicle Width | 1770 mm | 1770 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 7.7 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 55 L | 66 L |
