2006 Audi A4 vs. 1975 Saab 99
To start off, 2006 Audi A4 is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Saab 99. In addition, the cost of maintenance, including insurance, on 1975 Saab 99 would be higher. At 1,985 cc (4 cylinders), 1975 Saab 99 is equipped with a bigger engine. In terms of performance, 2006 Audi A4 (138 HP @ 4000 RPM) has 43 more horse power than 1975 Saab 99. (95 HP @ 5200 RPM). In normal driving conditions, 2006 Audi A4 should accelerate faster than 1975 Saab 99. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi A4 weights approximately 130 kg more than 1975 Saab 99. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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 A4 (321 Nm @ 1750 RPM) has 159 more torque (in Nm) than 1975 Saab 99. (162 Nm @ 3500 RPM). This means 2006 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1975 Saab 99.
Compare all specifications:
| 2006 Audi A4 | 1975 Saab 99 | |
| Make | Audi | Saab |
| Model | A4 | 99 |
| Year Released | 2006 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 95 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 321 Nm | 162 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 90 mm |
| Engine Stroke Size | 95.5 mm | 78 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1275 kg | 1145 kg |
| Vehicle Length | 4550 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2480 mm |
