2008 Audi A4 vs. 2006 Audi S4
To start off, 2008 Audi A4 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. 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 87 more horse power than 2008 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2008 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 215 kg more than 2006 Audi S4.
Because 2006 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 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 81 more torque (in Nm) than 2008 Audi A4. (330 Nm @ 3250 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A4. 2008 Audi A4 has automatic transmission and 2006 Audi S4 has manual transmission. 2006 Audi S4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A4 | 2006 Audi S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4163 cc |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 252 HP | 339 HP |
| Engine RPM | 6500 RPM | 7000 RPM |
| Torque | 330 Nm | 411 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.1 seconds | 5.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1275 kg |
| Vehicle Length | 4590 mm | 4580 mm |
| Vehicle Width | 1780 mm | 1790 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2660 mm |
| Fuel Consumption Overall | 9.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
