1991 Audi 80 vs. 1984 Audi 90
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 2,771 cc (6 cylinders), 1991 Audi 80 is equipped with a bigger engine. In terms of performance, 1991 Audi 80 (174 HP @ 5500 RPM) has 35 more horse power than 1984 Audi 90. (139 HP @ 5700 RPM). In normal driving conditions, 1991 Audi 80 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi 80 weights approximately 140 kg more than 1984 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, 1991 Audi 80 (249 Nm @ 3000 RPM) has 59 more torque (in Nm) than 1984 Audi 90. (190 Nm @ 3500 RPM). This means 1991 Audi 80 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1991 Audi 80 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | 80 | 90 |
| Year Released | 1991 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2771 cc | 2226 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 174 HP | 139 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 249 Nm | 190 Nm |
| Torque RPM | 3000 RPM | 3500 RPM |
| Engine Bore Size | 82.5 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 86.4 mm |
| Vehicle Weight | 1400 kg | 1260 kg |
| Vehicle Length | 4490 mm | 4470 mm |
| Vehicle Width | 1710 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2550 mm |
