2009 Audi RS4 vs. 2006 Ford Mustang
To start off, 2009 Audi RS4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Ford Mustang. In addition, the cost of maintenance, including insurance, on 2006 Ford Mustang would be higher. At 4,161 cc (8 cylinders), 2009 Audi RS4 is equipped with a bigger engine. In terms of performance, 2009 Audi RS4 (414 HP @ 7800 RPM) has 204 more horse power than 2006 Ford Mustang. (210 HP @ 5300 RPM). In normal driving conditions, 2009 Audi RS4 should accelerate faster than 2006 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2006 Ford Mustang weights approximately 5 kg more than 2009 Audi RS4.
Because 2009 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi RS4 (430 Nm @ 5500 RPM) has 105 more torque (in Nm) than 2006 Ford Mustang. (325 Nm @ 3500 RPM). This means 2009 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Ford Mustang.
Compare all specifications:
| 2009 Audi RS4 | 2006 Ford Mustang | |
| Make | Audi | Ford |
| Model | RS4 | Mustang |
| Year Released | 2009 | 2006 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 4015 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 414 HP | 210 HP |
| Engine RPM | 7800 RPM | 5300 RPM |
| Torque | 430 Nm | 325 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 100.5 mm |
| Engine Stroke Size | 92.8 mm | 84.4 mm |
| Engine Compression Ratio | 12.5:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1715 kg |
| Vehicle Length | 4590 mm | 4770 mm |
| Vehicle Width | 1820 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 13.5 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
