2006 Audi A8 vs. 2009 Ford Shelby GT 500
To start off, 2009 Ford Shelby GT 500 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A8. In addition, the cost of maintenance, including insurance, on 2006 Audi A8 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 229 more horse power than 2006 Audi A8. (271 HP @ 3750 RPM) In normal driving conditions, 2009 Ford Shelby GT 500 should accelerate faster than 2006 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 974 kg more than 2009 Ford Shelby GT 500.
Because 2006 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Ford Shelby GT 500. In wet, icy, snow, or gravel driving conditions, 2006 Audi A8 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 Ford Shelby GT 500 (651 Nm @ 4500 RPM) has 1 more torque (in Nm) than 2006 Audi A8. (650 Nm @ 1800 RPM). This means 2009 Ford Shelby GT 500 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A8. 2006 Audi A8 has automatic transmission and 2009 Ford Shelby GT 500 has manual transmission. 2009 Ford Shelby GT 500 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Audi A8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi A8 | 2009 Ford Shelby GT 500 | |
| Make | Audi | Ford |
| Model | A8 | Shelby GT 500 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3934 cc | 5408 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 271 HP | 500 HP |
| Engine RPM | 3750 RPM | 6000 RPM |
| Torque | 650 Nm | 651 Nm |
| Torque RPM | 1800 RPM | 4500 RPM |
| Engine Compression Ratio | 18.0:1 | 10.8:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1940 kg | 966 kg |
| Vehicle Length | 5190 mm | 4770 mm |
| Vehicle Width | 1900 mm | 1890 mm |
| Vehicle Height | 1460 mm | 1390 mm |
| Wheelbase Size | 3080 mm | 2730 mm |
| Fuel Consumption Overall | 9.6 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
