2006 Audi S4 vs. 2009 Saleen S7
To start off, 2009 Saleen S7 is newer by 3 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 7,000 cc (8 cylinders), 2009 Saleen S7 is equipped with a bigger engine. In terms of performance, 2009 Saleen S7 (750 HP @ 6300 RPM) has 410 more horse power than 2006 Audi S4. (340 HP @ 6800 RPM) In normal driving conditions, 2009 Saleen S7 should accelerate faster than 2006 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 31 kg more than 2009 Saleen S7.
Because 2009 Saleen S7 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Saleen S7. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 Saleen S7 (949 Nm @ 4800 RPM) has 539 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Saleen S7 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2006 Audi S4 | 2009 Saleen S7 | |
| Make | Audi | Saleen |
| Model | S4 | S7 |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 7000 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 340 HP | 750 HP |
| Engine RPM | 6800 RPM | 6300 RPM |
| Torque | 410 Nm | 949 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1278 kg | 1247 kg |
| Vehicle Length | 4590 mm | 4755 mm |
| Vehicle Width | 1790 mm | 1981 mm |
| Vehicle Height | 1420 mm | 1041 mm |
| Wheelbase Size | 2660 mm | 2692 mm |
