1999 Audi S8 vs. 1999 Audi S3
To start off, both 1999 Audi S8 and 1999 Audi S3 were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 125 more horse power than 1999 Audi S3. (210 HP @ 5800 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1999 Audi S3. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 200 kg more than 1999 Audi S3. 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 (331 Nm @ 3400 RPM) has 61 more torque (in Nm) than 1999 Audi S3. (270 Nm @ 2100 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi S3.
Compare all specifications:
| 1999 Audi S8 | 1999 Audi S3 | |
| Make | Audi | Audi |
| Model | S8 | S3 |
| Year Released | 1999 | 1999 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1781 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 210 HP |
| Engine RPM | 7000 RPM | 5800 RPM |
| Torque | 331 Nm | 270 Nm |
| Torque RPM | 3400 RPM | 2100 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 86.4 mm |
| Top Speed | 250 km/hour | 238 km/hour |
| Acceleration 0-100mph | 5.4 seconds | 6.9 seconds |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1730 kg | 1530 kg |
| Vehicle Length | 5040 mm | 4160 mm |
| Vehicle Width | 1890 mm | 1760 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2520 mm |
| Fuel Tank Capacity | 90 L | 42 L |
