2007 Audi S8 vs. 1981 Saab 900
To start off, 2007 Audi S8 is newer by 26 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 5,204 cc (10 cylinders), 2007 Audi S8 is equipped with a bigger engine. In terms of performance, 2007 Audi S8 (444 HP @ 7000 RPM) has 344 more horse power than 1981 Saab 900. (100 HP @ 5200 RPM). In normal driving conditions, 2007 Audi S8 should accelerate faster than 1981 Saab 900. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 760 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 2007 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1981 Saab 900. In wet, icy, snow, or gravel driving conditions, 2007 Audi S8 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, 2007 Audi S8 (540 Nm @ 3500 RPM) has 378 more torque (in Nm) than 1981 Saab 900. (162 Nm @ 3500 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1981 Saab 900.
Compare all specifications:
| 2007 Audi S8 | 1981 Saab 900 | |
| Make | Audi | Saab |
| Model | S8 | 900 |
| Year Released | 2007 | 1981 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 1985 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 100 HP |
| Engine RPM | 7000 RPM | 5200 RPM |
| Torque | 540 Nm | 162 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 90 mm |
| Engine Stroke Size | 92.8 mm | 78 mm |
| Engine Compression Ratio | 12.5:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | AWD | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1940 kg | 1180 kg |
| Vehicle Length | 5070 mm | 4750 mm |
| Vehicle Width | 1900 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2950 mm | 2530 mm |
