2009 Audi A8 vs. 1986 Audi 90
To start off, 2009 Audi A8 is newer by 23 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 2,965 cc (6 cylinders), 2009 Audi A8 is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (230 HP @ 4000 RPM) has 116 more horse power than 1986 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 1986 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1986 Audi 90 weights approximately 120 kg more than 2009 Audi A8.
Let's talk about torque, 2009 Audi A8 (450 Nm @ 1400 RPM) has 281 more torque (in Nm) than 1986 Audi 90. (169 Nm @ 3200 RPM). This means 2009 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 1986 Audi 90.
Compare all specifications:
| 2009 Audi A8 | 1986 Audi 90 | |
| Make | Audi | Audi |
| Model | A8 | 90 |
| Year Released | 2009 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 230 HP | 114 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 450 Nm | 169 Nm |
| Torque RPM | 1400 RPM | 3200 RPM |
| Engine Bore Size | 83 mm | 81 mm |
| Engine Stroke Size | 91.4 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 930 kg | 1050 kg |
| Vehicle Length | 5190 mm | 4470 mm |
| Vehicle Width | 1900 mm | 1690 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 3080 mm | 2550 mm |
