1999 Audi S8 vs. 2009 Ford Shelby GT 500
To start off, 2009 Ford Shelby GT 500 is newer by 10 year(s). Which means there will be less support and parts availability for 1999 Audi S8. In addition, the cost of maintenance, including insurance, on 1999 Audi S8 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 (493 HP @ 6000 RPM) has 246 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2009 Ford Shelby GT 500 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 634 kg more than 2009 Ford Shelby GT 500.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 Ford Shelby GT 500. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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 (480 Nm @ 4500 RPM) has 150 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2009 Ford Shelby GT 500 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 1999 Audi S8 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. 1999 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2009 Ford Shelby GT 500 | |
| Make | Audi | Ford |
| Model | S8 | Shelby GT 500 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 5408 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 493 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 330 Nm | 480 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Compression Ratio | 11.0:1 | 8.4:1 |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1116 kg |
| Vehicle Length | 5040 mm | 4770 mm |
| Vehicle Width | 1890 mm | 1890 mm |
| Vehicle Height | 1420 mm | 1390 mm |
| Wheelbase Size | 2890 mm | 2730 mm |
| Fuel Consumption Overall | 13.9 L/100km | 6.1 L/100km |
| Fuel Tank Capacity | 90 L | 61 L |
