1979 Mazda 121 vs. 1992 Opel Calibra
To start off, 1992 Opel Calibra is newer by 13 year(s). Which means there will be less support and parts availability for 1979 Mazda 121. In addition, the cost of maintenance, including insurance, on 1979 Mazda 121 would be higher. At 1,998 cc (4 cylinders), 1992 Opel Calibra is equipped with a bigger engine. In terms of performance, 1992 Opel Calibra (115 HP @ 5200 RPM) has 25 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1992 Opel Calibra should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1992 Opel Calibra weights approximately 56 kg more than 1979 Mazda 121. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1992 Opel Calibra (173 Nm @ 2600 RPM) has 13 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1992 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 1992 Opel Calibra | |
| Make | Mazda | Opel |
| Model | 121 | Calibra |
| Year Released | 1979 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 115 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 160 Nm | 173 Nm |
| Torque RPM | 3000 RPM | 2600 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 98 mm | 86 mm |
| Engine Compression Ratio | 8.6:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1134 kg | 1190 kg |
| Vehicle Length | 4510 mm | 4500 mm |
| Vehicle Width | 1690 mm | 1700 mm |
| Vehicle Height | 1350 mm | 1610 mm |
| Wheelbase Size | 2520 mm | 2610 mm |
