1984 Audi 90 vs. 1999 Audi S8
To start off, 1999 Audi S8 is newer by 15 year(s). Which means there will be less support and parts availability for 1984 Audi 90. In addition, the cost of maintenance, including insurance, on 1984 Audi 90 would be higher. 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 196 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 1999 Audi S8 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 470 kg more than 1984 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1999 Audi S8 (331 Nm @ 3400 RPM) has 141 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 1999 Audi S8 | |
| Make | Audi | Audi |
| Model | 90 | S8 |
| Year Released | 1984 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 4172 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 139 HP | 335 HP |
| Engine RPM | 5700 RPM | 7000 RPM |
| Torque | 190 Nm | 331 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Vehicle Weight | 1260 kg | 1730 kg |
| Vehicle Length | 4470 mm | 5040 mm |
| Vehicle Width | 1690 mm | 1890 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2550 mm | 2890 mm |
