2005 Audi A4 vs. 1985 Audi 90
To start off, 2005 Audi A4 is newer by 20 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 1,992 cc (5 cylinders), 1985 Audi 90 is equipped with a bigger engine. In terms of performance, 1985 Audi 90 (114 HP @ 5700 RPM) has 13 more horse power than 2005 Audi A4. (101 HP @ 5600 RPM) In normal driving conditions, 1985 Audi 90 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 306 kg more than 1985 Audi 90.
Let's talk about torque, 1985 Audi 90 (168 Nm @ 3200 RPM) has 20 more torque (in Nm) than 2005 Audi A4. (148 Nm @ 3800 RPM). This means 1985 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 1985 Audi 90 | |
| Make | Audi | Audi |
| Model | A4 | 90 |
| Year Released | 2005 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 1992 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 101 HP | 114 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 148 Nm | 168 Nm |
| Torque RPM | 3800 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 77.4 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1356 kg | 1050 kg |
| Vehicle Length | 4550 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2550 mm |
