1984 Audi 90 vs. 1999 Audi A4
To start off, 1999 Audi A4 is newer by 15 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, 1999 Audi A4 (247 HP @ 5300 RPM) has 108 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM) In normal driving conditions, 1999 Audi A4 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1984 Audi 90 weights approximately 60 kg more than 1999 Audi A4.
Let's talk about torque, 1999 Audi A4 (320 Nm @ 3800 RPM) has 130 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1984 Audi 90 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | 90 | A4 |
| Year Released | 1984 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1595 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 247 HP |
| Engine RPM | 5700 RPM | 5300 RPM |
| Torque | 190 Nm | 320 Nm |
| Torque RPM | 3500 RPM | 3800 RPM |
| Engine Bore Size | 81 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 77.4 mm |
| Vehicle Weight | 1260 kg | 1200 kg |
| Vehicle Length | 4470 mm | 4480 mm |
| Vehicle Width | 1690 mm | 1740 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
