2005 Audi A4 vs. 2009 Ford Shelby GT 500
To start off, 2009 Ford Shelby GT 500 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 5,408 cc (8 cylinders), 2009 Ford Shelby GT 500 is equipped with a bigger engine. In terms of performance, 2009 Ford Shelby GT 500 (500 HP @ 6000 RPM) has 400 more horse power than 2005 Audi A4. (100 HP @ 1900 RPM) In normal driving conditions, 2009 Ford Shelby GT 500 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 484 kg more than 2009 Ford Shelby GT 500.
Because 2009 Ford Shelby GT 500 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 Ford Shelby GT 500. However, in wet, icy, snow, or gravel driving conditions, 2005 Audi A4, 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 Ford Shelby GT 500 (651 Nm @ 4500 RPM) has 401 more torque (in Nm) than 2005 Audi A4. (250 Nm @ 1900 RPM). This means 2009 Ford Shelby GT 500 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 Ford Shelby GT 500 | |
| Make | Audi | Ford |
| Model | A4 | Shelby GT 500 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1894 cc | 5408 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 100 HP | 500 HP |
| Engine RPM | 1900 RPM | 6000 RPM |
| Torque | 250 Nm | 651 Nm |
| Torque RPM | 1900 RPM | 4500 RPM |
| Engine Compression Ratio | 19.0:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1450 kg | 966 kg |
| Vehicle Length | 4550 mm | 4770 mm |
| Vehicle Width | 1780 mm | 1890 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 5.7 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 70 L | 61 L |
