2005 Audi A4 vs. 1986 Audi 90
To start off, 2005 Audi A4 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 2,981 cc (6 cylinders), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (217 HP @ 6300 RPM) has 103 more horse power than 1986 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1986 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 560 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 A4 (300 Nm @ 3200 RPM) has 131 more torque (in Nm) than 1986 Audi 90. (169 Nm @ 3200 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Audi 90.
Compare all specifications:
| 2005 Audi A4 | 1986 Audi 90 | |
| Make | Audi | Audi |
| Model | A4 | 90 |
| Year Released | 2005 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2981 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 114 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 300 Nm | 169 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1610 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 |
