1991 Mazda 121 vs. 2003 Saab 03-Sep
To start off, 2003 Saab 03-Sep is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Mazda 121. In addition, the cost of maintenance, including insurance, on 1991 Mazda 121 would be higher. At 1,998 cc (4 cylinders), 2003 Saab 03-Sep is equipped with a bigger engine. In terms of performance, 2003 Saab 03-Sep (173 HP @ 5500 RPM) has 102 more horse power than 1991 Mazda 121. (71 HP @ 6000 RPM) In normal driving conditions, 2003 Saab 03-Sep should accelerate faster than 1991 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 2003 Saab 03-Sep weights approximately 610 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, 2003 Saab 03-Sep (350 Nm @ 2500 RPM) has 246 more torque (in Nm) than 1991 Mazda 121. (104 Nm @ 3700 RPM). This means 2003 Saab 03-Sep will have an easier job in driving up hills or pulling heavy equipment than 1991 Mazda 121.
Compare all specifications:
| 1991 Mazda 121 | 2003 Saab 03-Sep | |
| Make | Mazda | Saab |
| Model | 121 | 03-Sep |
| Year Released | 1991 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1323 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 173 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 104 Nm | 350 Nm |
| Torque RPM | 3700 RPM | 2500 RPM |
| Engine Bore Size | 71 mm | 86 mm |
| Engine Stroke Size | 83.6 mm | 86 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 155 km/hour | 225 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 900 kg | 1510 kg |
| Vehicle Length | 3820 mm | 4640 mm |
| Vehicle Width | 1660 mm | 1770 mm |
| Vehicle Height | 1480 mm | 1470 mm |
| Wheelbase Size | 2400 mm | 2710 mm |
| Fuel Tank Capacity | 43 L | 61 L |
