1999 Audi S8 vs. 2007 Infiniti FX
To start off, 2007 Infiniti FX is newer by 8 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 4,494 cc (8 cylinders), 2007 Infiniti FX is equipped with a bigger engine. In terms of performance, 2007 Infiniti FX (320 HP @ 6000 RPM) has 73 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2007 Infiniti FX should accelerate faster than 1999 Audi S8.
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, 2007 Infiniti FX (454 Nm @ 4000 RPM) has 124 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2007 Infiniti FX will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2007 Infiniti FX | |
| Make | Audi | Infiniti |
| Model | S8 | FX |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4494 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 320 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 330 Nm | 454 Nm |
| Torque RPM | 3400 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 93 mm |
| Engine Stroke Size | 93 mm | 83 mm |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 5040 mm | 4810 mm |
| Vehicle Width | 1890 mm | 1930 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Consumption | 9.5 L/100km | 13.1 L/100km |
| Fuel Consumption City | 21.7 L/100km | 16.8 L/100km |
| Fuel Consumption Overall | 13.9 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
