2006 Audi S4 vs. 2006 Audi A4
To start off, both 2006 Audi S4 and 2006 Audi A4 were released in the same year (2006). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (340 HP @ 7000 RPM) has 179 more horse power than 2006 Audi A4. (161 HP @ 5700 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 32 kg more than 2006 Audi S4.
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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 185 more torque (in Nm) than 2006 Audi A4. (225 Nm @ 1950 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi S4 | 2006 Audi A4 | |
| Make | Audi | Audi |
| Model | S4 | A4 |
| Year Released | 2006 | 2006 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1781 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 340 HP | 161 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 410 Nm | 225 Nm |
| Torque RPM | 3500 RPM | 1950 RPM |
| Engine Compression Ratio | 11.0:1 | 9.0:1 |
| Acceleration 0-100mph | 5.9 seconds | 9.4 seconds |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1542 kg |
| Vehicle Length | 4590 mm | 4580 mm |
| Vehicle Width | 1790 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Highway | 11.2 L/100km | 7.8 L/100km |
| Fuel Consumption City | 15.7 L/100km | 10.2 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
