2006 Audi S4 vs. 2003 Ford Mustang
To start off, 2006 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Ford Mustang. In addition, the cost of maintenance, including insurance, on 2003 Ford Mustang would be higher. At 4,601 cc (8 cylinders), 2003 Ford Mustang is equipped with a bigger engine. In terms of performance, 2003 Ford Mustang (390 HP @ 6150 RPM) has 50 more horse power than 2006 Audi S4. (340 HP @ 7000 RPM) In normal driving conditions, 2003 Ford Mustang should accelerate faster than 2006 Audi S4. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 222 kg more than 2003 Ford Mustang.
Because 2003 Ford Mustang 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 2003 Ford Mustang. 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, 2003 Ford Mustang (530 Nm @ 3500 RPM) has 120 more torque (in Nm) than 2006 Audi S4. (410 Nm @ 3500 RPM). This means 2003 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi S4.
Compare all specifications:
| 2006 Audi S4 | 2003 Ford Mustang | |
| Make | Audi | Ford |
| Model | S4 | Mustang |
| Year Released | 2006 | 2003 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4601 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 390 HP |
| Engine RPM | 7000 RPM | 6150 RPM |
| Torque | 410 Nm | 530 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 90.2 mm |
| Engine Stroke Size | 93 mm | 90 mm |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1884 kg | 1662 kg |
| Vehicle Length | 4590 mm | 4670 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1340 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Tank Capacity | 63 L | 59 L |
