2006 Audi RS4 vs. 1981 Saab 900
To start off, 2006 Audi RS4 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Saab 900. In addition, the cost of maintenance, including insurance, on 1981 Saab 900 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 320 more horse power than 1981 Saab 900. (100 HP @ 5200 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 1981 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 369 kg more than 1981 Saab 900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Saab 900. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 will offer significantly more control. 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 421 more torque (in Nm) than 1981 Saab 900. (162 Nm @ 3500 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Saab 900.
Compare all specifications:
| 2006 Audi RS4 | 1981 Saab 900 | |
| Make | Audi | Saab |
| Model | RS4 | 900 |
| Year Released | 2006 | 1981 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1985 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 420 HP | 100 HP |
| Engine RPM | 8250 RPM | 5200 RPM |
| Torque | 583 Nm | 162 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1549 kg | 1180 kg |
| Vehicle Length | 360 mm | 4750 mm |
| Vehicle Height | 360 mm | 1430 mm |
| Wheelbase Size | 360 mm | 2530 mm |
