1975 Mazda 929 vs. 1990 Porsche 928
To start off, 1990 Porsche 928 is newer by 15 year(s). Which means there will be less support and parts availability for 1975 Mazda 929. In addition, the cost of maintenance, including insurance, on 1975 Mazda 929 would be higher. At 4,664 cc (8 cylinders), 1990 Porsche 928 is equipped with a bigger engine. In terms of performance, 1990 Porsche 928 (306 HP @ 5900 RPM) has 223 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1990 Porsche 928 should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1990 Porsche 928 weights approximately 460 kg more than 1975 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 Porsche 928 (408 Nm @ 4100 RPM) has 274 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 1990 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1975 Mazda 929 | 1990 Porsche 928 | |
| Make | Mazda | Porsche |
| Model | 929 | 928 |
| Year Released | 1975 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 306 HP |
| Engine RPM | 5000 RPM | 5900 RPM |
| Torque | 134 Nm | 408 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1530 kg |
| Vehicle Length | 4410 mm | 4450 mm |
| Vehicle Width | 1670 mm | 1840 mm |
| Vehicle Height | 1420 mm | 1290 mm |
| Wheelbase Size | 2520 mm | 2510 mm |
| Fuel Tank Capacity | 55 L | 76 L |
