1999 Audi S8 vs. 2004 Pontiac Grand Prix
To start off, 2004 Pontiac Grand Prix is newer by 5 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, 2004 Pontiac Grand Prix (260 HP @ 5200 RPM) has 13 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2004 Pontiac Grand Prix should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 86 kg more than 2004 Pontiac Grand Prix.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2004 Pontiac Grand Prix. 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, 2004 Pontiac Grand Prix (380 Nm @ 3600 RPM) has 50 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2004 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2004 Pontiac Grand Prix | |
| Make | Audi | Pontiac |
| Model | S8 | Grand Prix |
| Year Released | 1999 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 3791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 260 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 330 Nm | 380 Nm |
| Torque RPM | 3400 RPM | 3600 RPM |
| Engine Compression Ratio | 11.0:1 | 8.5:1 |
| Top Speed | 250 km/hour | 217 km/hour |
| Drive Type | AWD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1664 kg |
| Vehicle Length | 5040 mm | 5040 mm |
| Vehicle Width | 1890 mm | 1830 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2860 mm |
| Fuel Tank Capacity | 90 L | 64 L |
