1999 Audi S8 vs. 2013 BMW 6 series
To start off, 2013 BMW 6 series is newer by 14 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 4,395 cc (8 cylinders), 2013 BMW 6 series is equipped with a bigger engine. In terms of performance, 2013 BMW 6 series (437 HP @ 5500 RPM) has 190 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2013 BMW 6 series should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 6 series weights approximately 339 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.
Both vehicles are all wheel drive (AWD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2013 BMW 6 series (649 Nm @ 4500 RPM) has 319 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2013 BMW 6 series will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 2013 BMW 6 series | |
| Make | Audi | BMW |
| Model | S8 | 6 series |
| Year Released | 1999 | 2013 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4395 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 437 HP |
| Engine RPM | 7000 RPM | 5500 RPM |
| Torque | 330 Nm | 649 Nm |
| Torque RPM | 3400 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 89 mm |
| Engine Stroke Size | 93 mm | 88 mm |
| Engine Compression Ratio | 11.0:1 | 10.0 :1 |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 4.8 seconds |
| Drive Type | AWD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 2089 kg |
| Vehicle Length | 5040 mm | 5009 mm |
| Vehicle Width | 1890 mm | 2081 mm |
| Vehicle Height | 1420 mm | 1392 mm |
| Wheelbase Size | 2890 mm | 2968 mm |
| Fuel Consumption Highway | 9.5 L/100km | 7.1 L/100km |
| Fuel Consumption City | 21.7 L/100km | 12.9 L/100km |
| Fuel Tank Capacity | 90 L | 70 L |
