2007 Audi RS4 vs. 2003 Ford Mustang
To start off, 2007 Audi RS4 is newer by 4 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 4,599 cc (8 cylinders), 2003 Ford Mustang is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 14 more horse power than 2003 Ford Mustang. (400 HP @ 5750 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2003 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 365 kg more than 2003 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2007 Audi RS4 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, 2003 Ford Mustang (556 Nm @ 3500 RPM) has 125 more torque (in Nm) than 2007 Audi RS4. (431 Nm @ 5500 RPM). This means 2003 Ford Mustang will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi RS4.
Compare all specifications:
| 2007 Audi RS4 | 2003 Ford Mustang | |
| Make | Audi | Ford |
| Model | RS4 | Mustang |
| Year Released | 2007 | 2003 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4599 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 400 HP |
| Engine RPM | 7800 RPM | 5750 RPM |
| Torque | 431 Nm | 556 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 90.2 mm |
| Engine Stroke Size | 92.8 mm | 90 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1845 kg | 1480 kg |
| Vehicle Length | 4560 mm | 4660 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1400 mm | 1360 mm |
| Wheelbase Size | 2660 mm | 2580 mm |
| Fuel Tank Capacity | 63 L | 68 L |
