1979 Mazda 121 vs. 1973 Opel Commodore
To start off, 1979 Mazda 121 is newer by 6 year(s). Which means there will be less support and parts availability for 1973 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1973 Opel Commodore would be higher. At 2,488 cc (6 cylinders), 1973 Opel Commodore is equipped with a bigger engine. In terms of performance, 1973 Opel Commodore (114 HP @ 5200 RPM) has 24 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1973 Opel Commodore should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1973 Opel Commodore weights approximately 36 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1973 Opel Commodore (177 Nm @ 3800 RPM) has 17 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1973 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 1973 Opel Commodore | |
| Make | Mazda | Opel |
| Model | 121 | Commodore |
| Year Released | 1979 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2488 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 114 HP |
| Engine RPM | 4800 RPM | 5200 RPM |
| Torque | 160 Nm | 177 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 87 mm |
| Engine Stroke Size | 98 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1134 kg | 1170 kg |
| Vehicle Length | 4510 mm | 4620 mm |
| Vehicle Width | 1690 mm | 1740 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2680 mm |
