1999 Audi S8 vs. 2010 Porsche 911
To start off, 2010 Porsche 911 is newer by 11 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, 2010 Porsche 911 (385 HP @ 6500 RPM) has 138 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 2010 Porsche 911 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 185 kg more than 2010 Porsche 911.
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, 2010 Porsche 911 (420 Nm @ 4400 RPM) has 90 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 2010 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8. 1999 Audi S8 has automatic transmission and 2010 Porsche 911 has manual transmission. 2010 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi S8 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Audi S8 | 2010 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S8 | 911 |
| Year Released | 1999 | 2010 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4170 cc | 3800 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 247 HP | 385 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 330 Nm | 420 Nm |
| Torque RPM | 3400 RPM | 4400 RPM |
| Drive Type | AWD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1565 kg |
| Vehicle Length | 5040 mm | 4465 mm |
| Vehicle Width | 1890 mm | 1808 mm |
| Vehicle Height | 1420 mm | 1300 mm |
| Wheelbase Size | 2890 mm | 2350 mm |
| Fuel Consumption Highway | 9.5 L/100km | 9.4 L/100km |
| Fuel Consumption City | 21.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 90 L | 67 L |
