2008 Audi A8 vs. 1985 Audi 90
To start off, 2008 Audi A8 is newer by 23 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 3,936 cc (8 cylinders), 2008 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Audi A8 (271 HP @ 3750 RPM) has 157 more horse power than 1985 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2008 Audi A8 should accelerate faster than 1985 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A8 weights approximately 894 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, 2008 Audi A8 (650 Nm @ 1800 RPM) has 482 more torque (in Nm) than 1985 Audi 90. (168 Nm @ 3200 RPM). This means 2008 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1985 Audi 90.
Compare all specifications:
| 2008 Audi A8 | 1985 Audi 90 | |
| Make | Audi | Audi |
| Model | A8 | 90 |
| Year Released | 2008 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 3936 cc | 1992 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 | 168 Nm |
| Torque RPM | 1800 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1944 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 |
