2005 Audi A4 vs. 1979 Saab 900
To start off, 2005 Audi A4 is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Saab 900. In addition, the cost of maintenance, including insurance, on 1979 Saab 900 would be higher. At 1,985 cc (4 cylinders), 1979 Saab 900 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (187 HP @ 5700 RPM) has 44 more horse power than 1979 Saab 900. (143 HP @ 5000 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1979 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 280 kg more than 1979 Saab 900. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Saab 900. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi A4 (240 Nm @ 1950 RPM) has 4 more torque (in Nm) than 1979 Saab 900. (236 Nm @ 3000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1979 Saab 900.
Compare all specifications:
| 2005 Audi A4 | 1979 Saab 900 | |
| Make | Audi | Saab |
| Model | A4 | 900 |
| Year Released | 2005 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 187 HP | 143 HP |
| Engine RPM | 5700 RPM | 5000 RPM |
| Torque | 240 Nm | 236 Nm |
| Torque RPM | 1950 RPM | 3000 RPM |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 230 km/hour | 191 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1530 kg | 1250 kg |
| Vehicle Length | 4550 mm | 4750 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2530 mm |
