1989 Mazda 929 vs. 1991 Porsche 928
To start off, 1991 Porsche 928 is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Mazda 929. In addition, the cost of maintenance, including insurance, on 1989 Mazda 929 would be higher. At 5,397 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (345 HP @ 5700 RPM) has 235 more horse power than 1989 Mazda 929. (110 HP @ 5300 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 1989 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 255 kg more than 1989 Mazda 929. 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, 1991 Porsche 928 (500 Nm @ 4250 RPM) has 333 more torque (in Nm) than 1989 Mazda 929. (167 Nm @ 4500 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 1989 Mazda 929.
Compare all specifications:
| 1989 Mazda 929 | 1991 Porsche 928 | |
| Make | Mazda | Porsche |
| Model | 929 | 928 |
| Year Released | 1989 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1969 cc | 5397 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 110 HP | 345 HP |
| Engine RPM | 5300 RPM | 5700 RPM |
| Torque | 167 Nm | 500 Nm |
| Torque RPM | 4500 RPM | 4250 RPM |
| Engine Bore Size | 80 mm | 100.1 mm |
| Engine Stroke Size | 98 mm | 85.9 mm |
| Engine Compression Ratio | 8.6:1 | 10.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1345 kg | 1600 kg |
| Vehicle Length | 4890 mm | 4450 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2720 mm | 2510 mm |
