1984 Audi 90 vs. 1991 Audi 80
To start off, 1991 Audi 80 is newer by 7 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 24 more horse power than 1991 Audi 80. (115 HP @ 5400 RPM). In normal driving conditions, 1984 Audi 90 should accelerate faster than 1991 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 1984 Audi 90 weights approximately 20 kg more than 1991 Audi 80. 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 22 more torque (in Nm) than 1991 Audi 80. (168 Nm @ 3200 RPM). This means 1984 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi 80.
Compare all specifications:
| 1984 Audi 90 | 1991 Audi 80 | |
| Make | Audi | Audi |
| Model | 90 | 80 |
| Year Released | 1984 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 1984 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 139 HP | 115 HP |
| Engine RPM | 5700 RPM | 5400 RPM |
| Torque | 190 Nm | 168 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Vehicle Weight | 1260 kg | 1240 kg |
| Vehicle Length | 4470 mm | 4490 mm |
| Vehicle Width | 1690 mm | 1710 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2550 mm | 2610 mm |
