2007 Audi S8 vs. 1986 Audi 90
To start off, 2007 Audi S8 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Audi 90. In addition, the cost of maintenance, including insurance, on 1986 Audi 90 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 330 more horse power than 1986 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 1986 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 890 kg more than 1986 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, 2007 Audi S8 (540 Nm @ 3500 RPM) has 371 more torque (in Nm) than 1986 Audi 90. (169 Nm @ 3200 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1986 Audi 90.
Compare all specifications:
| 2007 Audi S8 | 1986 Audi 90 | |
| Make | Audi | Audi |
| Model | S8 | 90 |
| Year Released | 2007 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1994 cc |
| Engine Cylinders | 10 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 114 HP |
| Engine RPM | 7000 RPM | 5700 RPM |
| Torque | 540 Nm | 169 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1940 kg | 1050 kg |
| Vehicle Length | 5070 mm | 4470 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2950 mm | 2550 mm |
