1979 Mazda 121 vs. 1985 Porsche 928
To start off, 1985 Porsche 928 is newer by 6 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 4,664 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 220 more horse power than 1979 Mazda 121. (90 HP @ 4800 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 1979 Mazda 121. With that said, vehicle weight also plays an important factor in acceleration. 1985 Porsche 928 weights approximately 420 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, 1985 Porsche 928 (400 Nm @ 4500 RPM) has 240 more torque (in Nm) than 1979 Mazda 121. (160 Nm @ 3000 RPM). This means 1985 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 121.
Compare all specifications:
| 1979 Mazda 121 | 1985 Porsche 928 | |
| Make | Mazda | Porsche |
| Model | 121 | 928 |
| Year Released | 1979 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 90 HP | 310 HP |
| Engine RPM | 4800 RPM | 5900 RPM |
| Torque | 160 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 97 mm |
| Engine Stroke Size | 98 mm | 78.9 mm |
| Engine Compression Ratio | 8.6:1 | 10.4:1 |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 4 seats |
| Vehicle Weight | 1134 kg | 1554 kg |
| Vehicle Length | 4510 mm | 4450 mm |
| Vehicle Width | 1690 mm | 1840 mm |
| Vehicle Height | 1350 mm | 1290 mm |
| Wheelbase Size | 2520 mm | 2510 mm |
