1999 Audi S8 vs. 1988 Porsche 911
To start off, 1999 Audi S8 is newer by 11 year(s). Which means there will be less support and parts availability for 1988 Porsche 911. In addition, the cost of maintenance, including insurance, on 1988 Porsche 911 would be higher. At 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (247 HP @ 7000 RPM) has 1 more horse power than 1988 Porsche 911. (246 HP @ 6100 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1988 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 300 kg more than 1988 Porsche 911. 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, 1999 Audi S8 (330 Nm @ 3400 RPM) has 20 more torque (in Nm) than 1988 Porsche 911. (310 Nm @ 4800 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1988 Porsche 911. 1999 Audi S8 has automatic transmission and 1988 Porsche 911 has manual transmission. 1988 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 | 1988 Porsche 911 | |
| Make | Audi | Porsche |
| Model | S8 | 911 |
| Year Released | 1999 | 1988 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4170 cc | 3598 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 246 HP |
| Engine RPM | 7000 RPM | 6100 RPM |
| Torque | 330 Nm | 310 Nm |
| Torque RPM | 3400 RPM | 4800 RPM |
| Engine Bore Size | 84.5 mm | 100 mm |
| Engine Stroke Size | 93 mm | 76.4 mm |
| Engine Compression Ratio | 11.0:1 | 11.3:1 |
| Top Speed | 250 km/hour | 260 km/hour |
| Acceleration 0-100mph | 6.6 seconds | 6.2 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1450 kg |
| Vehicle Length | 5040 mm | 4260 mm |
| Vehicle Width | 1890 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2890 mm | 2270 mm |
| Fuel Tank Capacity | 90 L | 77 L |
