1999 Audi S8 vs. 2007 BMW 745
To start off, 2007 BMW 745 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 4,423 cc (8 cylinders), 2007 BMW 745 is equipped with a bigger engine. In terms of performance, 2007 BMW 745 (326 HP @ 3800 RPM) has 79 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2007 BMW 745 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 745 weights approximately 365 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 2007 BMW 745. 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 BMW 745 (700 Nm @ 1900 RPM) has 370 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2007 BMW 745 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2007 BMW 745 | |
| Make | Audi | BMW |
| Model | S8 | 745 |
| Year Released | 1999 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4423 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 326 HP |
| Engine RPM | 7000 RPM | 3800 RPM |
| Torque | 330 Nm | 700 Nm |
| Torque RPM | 3400 RPM | 1900 RPM |
| Engine Bore Size | 84.5 mm | 87 mm |
| Engine Stroke Size | 93 mm | 93 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 6.6 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 | 2115 kg |
| Vehicle Length | 5040 mm | 5050 mm |
| Vehicle Width | 1890 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1500 mm |
| Wheelbase Size | 2890 mm | 3000 mm |
| Fuel Consumption Overall | 13.9 L/100km | 9.5 L/100km |
| Fuel Tank Capacity | 90 L | 88 L |
