2006 Audi RS4 vs. 1984 Audi 90
To start off, 2006 Audi RS4 is newer by 22 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 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 300 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1984 Audi 90.
Let's talk about torque, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 262 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 2006 Audi RS4 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | RS4 | 90 |
| Year Released | 2006 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 414 HP | 114 HP |
| Engine RPM | 7800 RPM | 5700 RPM |
| Torque | 430 Nm | 168 Nm |
| Torque RPM | 5500 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Vehicle Length | 4600 mm | 4470 mm |
| Vehicle Width | 1820 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2650 mm | 2550 mm |
