2006 Audi RS4 vs. 1989 Audi 90
To start off, 2006 Audi RS4 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Audi 90. In addition, the cost of maintenance, including insurance, on 1989 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 (420 HP @ 8250 RPM) has 284 more horse power than 1989 Audi 90. (136 HP @ 5500 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1989 Audi 90. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 272 kg more than 1989 Audi 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Audi RS4 (583 Nm @ 5500 RPM) has 395 more torque (in Nm) than 1989 Audi 90. (188 Nm @ 3000 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1989 Audi 90.
Compare all specifications:
| 2006 Audi RS4 | 1989 Audi 90 | |
| Make | Audi | Audi |
| Model | RS4 | 90 |
| Year Released | 2006 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2308 cc |
| Engine Cylinders | 8 cylinders | 5 cylinders |
| Engine Type | V | in-line |
| Horse Power | 420 HP | 136 HP |
| Engine RPM | 8250 RPM | 5500 RPM |
| Torque | 583 Nm | 188 Nm |
| Torque RPM | 5500 RPM | 3000 RPM |
| Top Speed | 245 km/hour | 206 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1549 kg | 1277 kg |
| Vehicle Length | 360 mm | 4400 mm |
| Vehicle Height | 360 mm | 1400 mm |
| Wheelbase Size | 360 mm | 2540 mm |
