1978 Audi 100 vs. 1987 Saab 900
To start off, 1987 Saab 900 is newer by 9 year(s). Which means there will be less support and parts availability for 1978 Audi 100. In addition, the cost of maintenance, including insurance, on 1978 Audi 100 would be higher. At 1,986 cc (5 cylinders), 1978 Audi 100 is equipped with a bigger engine. In terms of performance, 1987 Saab 900 (175 HP @ 5300 RPM) has 105 more horse power than 1978 Audi 100. (70 HP @ 4800 RPM) In normal driving conditions, 1987 Saab 900 should accelerate faster than 1978 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1987 Saab 900 weights approximately 75 kg more than 1978 Audi 100. 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, 1987 Saab 900 (273 Nm @ 3000 RPM) has 148 more torque (in Nm) than 1978 Audi 100. (125 Nm @ 3000 RPM). This means 1987 Saab 900 will have an easier job in driving up hills or pulling heavy equipment than 1978 Audi 100.
Compare all specifications:
| 1978 Audi 100 | 1987 Saab 900 | |
| Make | Audi | Saab |
| Model | 100 | 900 |
| Year Released | 1978 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1986 cc | 1985 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 175 HP |
| Engine RPM | 4800 RPM | 5300 RPM |
| Torque | 125 Nm | 273 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 76.5 mm | 90 mm |
| Engine Stroke Size | 86.4 mm | 78 mm |
| Engine Compression Ratio | 23.0:1 | 9.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1210 kg | 1285 kg |
| Vehicle Length | 4690 mm | 4950 mm |
| Vehicle Width | 1770 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2680 mm | 2720 mm |
| Fuel Tank Capacity | 60 L | 63 L |
