2009 Audi A3 vs. 1984 Audi 90
To start off, 2009 Audi A3 is newer by 25 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 1,994 cc (5 cylinders), 1984 Audi 90 is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (148 HP @ 6000 RPM) has 34 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A3 weights approximately 294 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, 2009 Audi A3 (200 Nm @ 3500 RPM) has 32 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 2009 Audi A3 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | A3 | 90 |
| Year Released | 2009 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1994 cc |
| Engine Cylinders | 4 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 114 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 200 Nm | 168 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 82.6 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Weight | 1350 kg | 1056 kg |
| Vehicle Length | 4220 mm | 4470 mm |
| Vehicle Width | 1770 mm | 1690 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2580 mm | 2550 mm |
