1999 Audi S8 vs. 1986 Porsche 928
To start off, 1999 Audi S8 is newer by 13 year(s). Which means there will be less support and parts availability for 1986 Porsche 928. In addition, the cost of maintenance, including insurance, on 1986 Porsche 928 would be higher. At 4,664 cc (8 cylinders), 1986 Porsche 928 is equipped with a bigger engine. In terms of performance, 1986 Porsche 928 (306 HP @ 5900 RPM) has 59 more horse power than 1999 Audi S8. (247 HP @ 7000 RPM) In normal driving conditions, 1986 Porsche 928 should accelerate faster than 1999 Audi S8. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 214 kg more than 1986 Porsche 928.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1986 Porsche 928. 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, 1986 Porsche 928 (408 Nm @ 4100 RPM) has 78 more torque (in Nm) than 1999 Audi S8. (330 Nm @ 3400 RPM). This means 1986 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S8.
Compare all specifications:
| 1999 Audi S8 | 1986 Porsche 928 | |
| Make | Audi | Porsche |
| Model | S8 | 928 |
| Year Released | 1999 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4170 cc | 4664 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 306 HP |
| Engine RPM | 7000 RPM | 5900 RPM |
| Torque | 330 Nm | 408 Nm |
| Torque RPM | 3400 RPM | 4100 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 93 mm | 78.9 mm |
| Drive Type | AWD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1750 kg | 1536 kg |
| Vehicle Length | 5040 mm | 4450 mm |
| Vehicle Width | 1890 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2890 mm | 2510 mm |
| Fuel Tank Capacity | 90 L | 76 L |
