2006 Audi A4 vs. 2006 Audi S4
To start off, both 2006 Audi A4 and 2006 Audi S4 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 (339 HP @ 7000 RPM) has 178 more horse power than 2006 Audi A4. (161 HP @ 4000 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 237 kg more than 2006 Audi S4.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2006 Audi S4 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, 2006 Audi S4 (411 Nm @ 3500 RPM) has 61 more torque (in Nm) than 2006 Audi A4. (350 Nm @ 1500 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4. 2006 Audi S4 has automatic transmission and 2006 Audi A4 has manual transmission. 2006 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi S4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A4 | 2006 Audi S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 2006 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 161 HP | 339 HP |
| Engine RPM | 4000 RPM | 7000 RPM |
| Torque | 350 Nm | 411 Nm |
| Torque RPM | 1500 RPM | 3500 RPM |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 227 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1512 kg | 1275 kg |
| Vehicle Length | 4550 mm | 4580 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2660 mm |
| Fuel Consumption Overall | 6.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
