1991 Mazda 121 vs. 1987 Saab 900
To start off, 1991 Mazda 121 is newer by 4 year(s). Which means there will be less support and parts availability for 1987 Saab 900. In addition, the cost of maintenance, including insurance, on 1987 Saab 900 would be higher. At 1,985 cc (4 cylinders), 1987 Saab 900 is equipped with a bigger engine. In terms of performance, 1987 Saab 900 (175 HP @ 5300 RPM) has 104 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM) In normal driving conditions, 1987 Saab 900 should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1987 Saab 900 weights approximately 385 kg more than 1991 Mazda 121. 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 169 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 1987 Saab 900 will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 1991 Mazda 121 | 1987 Saab 900 | |
| Make | Mazda | Saab |
| Model | 121 | 900 |
| Year Released | 1991 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1323 cc | 1985 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 175 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 104 Nm | 273 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Engine Bore Size | 71 mm | 90 mm |
| Engine Stroke Size | 83.6 mm | 78 mm |
| Engine Compression Ratio | 9.4:1 | 9.0:1 |
| Top Speed | 155 km/hour | 203 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 900 kg | 1285 kg |
| Vehicle Length | 3820 mm | 4950 mm |
| Vehicle Width | 1660 mm | 1700 mm |
| Vehicle Height | 1480 mm | 1430 mm |
| Wheelbase Size | 2400 mm | 2720 mm |
| Fuel Tank Capacity | 43 L | 63 L |
