2006 Audi A8 vs. 1985 Audi 90
To start off, 2006 Audi A8 is newer by 21 year(s). Which means there will be less support and parts availability for 1985 Audi 90. In addition, the cost of maintenance, including insurance, on 1985 Audi 90 would be higher. At 5,997 cc, 2006 Audi A8 is equipped with a bigger engine. In terms of performance, 2006 Audi A8 (450 HP @ 6200 RPM) has 336 more horse power than 1985 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2006 Audi A8 should accelerate faster than 1985 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A8 weights approximately 1095 kg more than 1985 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, 2006 Audi A8 (580 Nm @ 4000 RPM) has 412 more torque (in Nm) than 1985 Audi 90. (168 Nm @ 3200 RPM). This means 2006 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1985 Audi 90.
Compare all specifications:
| 2006 Audi A8 | 1985 Audi 90 | |
| Make | Audi | Audi |
| Model | A8 | 90 |
| Year Released | 2006 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 5997 cc | 1992 cc |
| Engine Type | W | in-line |
| Horse Power | 450 HP | 114 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 580 Nm | 168 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 90.2 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 2145 kg | 1050 kg |
| Vehicle Length | 5200 mm | 4470 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 3080 mm | 2550 mm |
