1999 Audi S8 vs. 2009 BMW 730
To start off, 2009 BMW 730 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 BMW 730 (254 HP @ 6600 RPM) has 7 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2009 BMW 730 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 730 weights approximately 70 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.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 2009 BMW 730. 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, 1999 Audi S8 (330 Nm @ 3400 RPM) has 30 more torque (in Nm) than 2009 BMW 730. (300 Nm @ 2500 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 730.
Compare all specifications:
| 1999 Audi S8 | 2009 BMW 730 | |
| Make | Audi | BMW |
| Model | S8 | 730 |
| Year Released | 1999 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 2996 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 254 HP |
| Engine RPM | 7000 RPM | 6600 RPM |
| Torque | 330 Nm | 300 Nm |
| Torque RPM | 3400 RPM | 2500 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Top Speed | 250 km/hour | 244 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 7.9 seconds |
| Drive Type | AWD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1820 kg |
| Vehicle Length | 5040 mm | 5180 mm |
| Vehicle Width | 1890 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 3140 mm |
| Fuel Consumption Overall | 13.9 L/100km | 10.3 L/100km |
| Fuel Tank Capacity | 90 L | 88 L |
