1985 Audi 90 vs. 1977 Audi Fox
To start off, 1985 Audi 90 is newer by 8 year(s). Which means there will be less support and parts availability for 1977 Audi Fox. In addition, the cost of maintenance, including insurance, on 1977 Audi Fox would be higher. At 1,992 cc (5 cylinders), 1985 Audi 90 is equipped with a bigger engine. In terms of performance, 1985 Audi 90 (114 HP @ 5700 RPM) has 39 more horse power than 1977 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 1985 Audi 90 should accelerate faster than 1977 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 1985 Audi 90 weights approximately 138 kg more than 1977 Audi Fox. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1985 Audi 90 (168 Nm @ 3200 RPM) has 56 more torque (in Nm) than 1977 Audi Fox. (112 Nm @ 3200 RPM). This means 1985 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi Fox.
Compare all specifications:
| 1985 Audi 90 | 1977 Audi Fox | |
| Make | Audi | Audi |
| Model | 90 | Fox |
| Year Released | 1985 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1992 cc | 1588 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 75 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 168 Nm | 112 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 77.4 mm | 80 mm |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1050 kg | 912 kg |
| Vehicle Length | 4470 mm | 4390 mm |
| Vehicle Width | 1690 mm | 1690 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2550 mm | 2550 mm |
