2008 Audi S8 vs. 1991 Ford Mustang
To start off, 2008 Audi S8 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Ford Mustang. In addition, the cost of maintenance, including insurance, on 1991 Ford Mustang would be higher. At 5,204 cc (10 cylinders), 2008 Audi S8 is equipped with a bigger engine. In terms of performance, 2008 Audi S8 (444 HP @ 7000 RPM) has 338 more horse power than 1991 Ford Mustang. (106 HP @ 4600 RPM). In normal driving conditions, 2008 Audi S8 should accelerate faster than 1991 Ford Mustang. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi S8 weights approximately 680 kg more than 1991 Ford Mustang. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1991 Ford Mustang. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Audi S8 (540 Nm @ 3500 RPM) has 357 more torque (in Nm) than 1991 Ford Mustang. (183 Nm @ 2600 RPM). This means 2008 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Mustang.
Compare all specifications:
| 2008 Audi S8 | 1991 Ford Mustang | |
| Make | Audi | Ford |
| Model | S8 | Mustang |
| Year Released | 2008 | 1991 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 2301 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 106 HP |
| Engine RPM | 7000 RPM | 4600 RPM |
| Torque | 540 Nm | 183 Nm |
| Torque RPM | 3500 RPM | 2600 RPM |
| Engine Bore Size | 84.5 mm | 96 mm |
| Engine Stroke Size | 92.8 mm | 79.5 mm |
| Engine Compression Ratio | 12.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1940 kg | 1260 kg |
| Vehicle Width | 1900 mm | 1760 mm |
| Wheelbase Size | 2950 mm | 2560 mm |
| Fuel Tank Capacity | 90 L | 45 L |
