1999 Audi S8 vs. 2009 Audi Q7
To start off, 2009 Audi Q7 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 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (345 HP @ 6800 RPM) has 98 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 494 kg more than 1999 Audi S8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Audi Q7 (440 Nm @ 3500 RPM) has 110 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2009 Audi Q7 | |
| Make | Audi | Audi |
| Model | S8 | Q7 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 345 HP |
| Engine RPM | 7000 RPM | 6800 RPM |
| Torque | 330 Nm | 440 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 12.5:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 7.4 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1750 kg | 2244 kg |
| Vehicle Length | 5040 mm | 5090 mm |
| Vehicle Width | 1890 mm | 1990 mm |
| Vehicle Height | 1420 mm | 1740 mm |
| Wheelbase Size | 2890 mm | 3010 mm |
| Fuel Consumption Overall | 13.9 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 90 L | 100 L |
