1997 Audi A6 vs. 1984 Audi 90
To start off, 1997 Audi A6 is newer by 13 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 2,494 cc (6 cylinders), 1997 Audi A6 is equipped with a bigger engine. In terms of performance, 1997 Audi A6 (150 HP @ 4000 RPM) has 36 more horse power than 1984 Audi 90. (114 HP @ 5700 RPM). In normal driving conditions, 1997 Audi A6 should accelerate faster than 1984 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 1997 Audi A6 weights approximately 424 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, 1997 Audi A6 (310 Nm @ 3200 RPM) has 142 more torque (in Nm) than 1984 Audi 90. (168 Nm @ 3200 RPM). This means 1997 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Audi 90.
Compare all specifications:
| 1997 Audi A6 | 1984 Audi 90 | |
| Make | Audi | Audi |
| Model | A6 | 90 |
| Year Released | 1997 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 150 HP | 114 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 310 Nm | 168 Nm |
| Torque RPM | 3200 RPM | 3200 RPM |
| Engine Bore Size | 78.3 mm | 81 mm |
| Engine Stroke Size | 86.4 mm | 77.4 mm |
| Fuel Type | Diesel | Gasoline |
| Vehicle Weight | 1480 kg | 1056 kg |
| Vehicle Length | 4800 mm | 4470 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 2770 mm | 2550 mm |
