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 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Infiniti FX (275 HP @ 6200 RPM) has 28 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.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Infiniti FX. 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, 2007 Infiniti FX (363 Nm @ 4800 RPM) has 33 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 | 3498 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 275 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 330 Nm | 363 Nm |
| Torque RPM | 3400 RPM | 4800 RPM |
| Engine Bore Size | 84.5 mm | 95.6 mm |
| Engine Stroke Size | 93 mm | 81.4 mm |
| Engine Compression Ratio | 11.0:1 | 10.3:1 |
| Drive Type | AWD | Rear |
| 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 | 10.2 L/100km |
| Fuel Consumption City | 21.7 L/100km | 13.8 L/100km |
| Fuel Consumption Overall | 13.9 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 90 L | 90 L |
