1998 Audi A4 vs. 1984 Audi 90
To start off, 1998 Audi A4 is newer by 14 year(s). Which means there will be less support and parts availability for 1984 Audi 90. In addition, the cost of maintenance, including insurance, on 1984 Audi 90 would be higher. At 2,226 cc (5 cylinders), 1984 Audi 90 is equipped with a bigger engine. In terms of performance, 1984 Audi 90 (139 HP @ 5700 RPM) has 39 more horse power than 1998 Audi A4. (100 HP @ 5300 RPM) In normal driving conditions, 1984 Audi 90 should accelerate faster than 1998 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1984 Audi 90 weights approximately 75 kg more than 1998 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1984 Audi 90 (190 Nm @ 3500 RPM) has 50 more torque (in Nm) than 1998 Audi A4. (140 Nm @ 3800 RPM). This means 1984 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 1998 Audi A4.
Compare all specifications:
| 1998 Audi A4 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | A4 | 90 |
| Year Released | 1998 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2226 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 139 HP |
| Engine RPM | 5300 RPM | 5700 RPM |
| Torque | 140 Nm | 190 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1185 kg | 1260 kg |
| Vehicle Length | 4480 mm | 4470 mm |
| Vehicle Width | 1740 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2630 mm | 2550 mm |
