1981 Saab 900 vs. 2009 Audi A4
To start off, 2009 Audi A4 is newer by 28 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 2,965 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (222 HP @ 4000 RPM) has 122 more horse power than 1981 Saab 900. (100 HP @ 5200 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1981 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 430 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 2009 Audi A4 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, 2009 Audi A4 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, 2009 Audi A4 (450 Nm @ 1400 RPM) has 288 more torque (in Nm) than 1981 Saab 900. (162 Nm @ 3500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Saab 900.
Compare all specifications:
| 1981 Saab 900 | 2009 Audi A4 | |
| Make | Saab | Audi |
| Model | 900 | A4 |
| Year Released | 1981 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1985 cc | 2965 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 222 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 162 Nm | 450 Nm |
| Torque RPM | 3500 RPM | 1400 RPM |
| Engine Bore Size | 90 mm | 83 mm |
| Engine Stroke Size | 78 mm | 91.4 mm |
| Engine Compression Ratio | 9.2:1 | 17.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1180 kg | 1610 kg |
| Vehicle Length | 4750 mm | 4550 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2530 mm | 2660 mm |
