1981 Alfa Romeo Alfa 6 vs. 1984 Audi 90
To start off, 1984 Audi 90 is newer by 3 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 1,997 cc (6 cylinders), 1981 Alfa Romeo Alfa 6 is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfa 6 (133 HP @ 5600 RPM) has 19 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 1981 Alfa Romeo Alfa 6 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfa 6 weights approximately 414 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, 1981 Alfa Romeo Alfa 6 (178 Nm @ 4500 RPM) has 10 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 1981 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 1984 Audi 90 | |
| Make | Alfa Romeo | Audi |
| Model | Alfa 6 | 90 |
| Year Released | 1981 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 133 HP | 114 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 178 Nm | 168 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Bore Size | 80 mm | 81 mm |
| Engine Stroke Size | 66.2 mm | 77.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1470 kg | 1056 kg |
| Vehicle Length | 4770 mm | 4470 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2550 mm |
