2005 Audi A8 vs. 1986 Audi 90
To start off, 2005 Audi A8 is newer by 19 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 3,936 cc (8 cylinders), 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2005 Audi A8 (271 HP @ 3750 RPM) has 157 more horse power than 1986 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2005 Audi A8 should accelerate faster than 1986 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A8 weights approximately 720 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, 2005 Audi A8 (650 Nm @ 1800 RPM) has 481 more torque (in Nm) than 1986 Audi 90. (169 Nm @ 3200 RPM). This means 2005 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1986 Audi 90.
Compare all specifications:
| 2005 Audi A8 | 1986 Audi 90 | |
| Make | Audi | Audi |
| Model | A8 | 90 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 271 HP | 114 HP |
| Engine RPM | 3750 RPM | 5700 RPM |
| Torque | 650 Nm | 169 Nm |
| Torque RPM | 1800 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1770 kg | 1050 kg |
| Vehicle Length | 5190 mm | 4470 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 3080 mm | 2550 mm |
