1995 Audi A6 vs. 2004 Audi S4
To start off, 2004 Audi S4 is newer by 9 year(s). Which means there will be less support and parts availability for 1995 Audi A6. In addition, the cost of maintenance, including insurance, on 1995 Audi A6 would be higher. At 4,172 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 216 more horse power than 1995 Audi A6. (123 HP @ 5800 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 1995 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 290 kg more than 1995 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 242 more torque (in Nm) than 1995 Audi A6. (168 Nm @ 3500 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1995 Audi A6.
Compare all specifications:
| 1995 Audi A6 | 2004 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 1995 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 4172 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 123 HP | 339 HP |
| Engine RPM | 5800 RPM | 7000 RPM |
| Torque | 168 Nm | 410 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Top Speed | 209 km/hour | 250 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1720 kg |
| Vehicle Length | 4900 mm | 4590 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2760 mm | 2470 mm |
| Fuel Tank Capacity | 80 L | 63 L |
