2004 Audi RS6 vs. 1984 Audi 90
To start off, 2004 Audi RS6 is newer by 20 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), 2004 Audi RS6 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (444 HP @ 6300 RPM) has 330 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 854 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 392 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 2004 Audi RS6 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | RS6 | 90 |
| Year Released | 2004 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 114 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 560 Nm | 168 Nm |
| Torque RPM | 1950 RPM | 3200 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 93 mm | 77.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1910 kg | 1056 kg |
| Vehicle Length | 4860 mm | 4470 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2770 mm | 2550 mm |
