1975 Mazda 929 vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 30 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 3,589 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (325 HP @ 4250 RPM) has 242 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 455 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 236 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1975 Mazda 929 | 2005 Porsche 911 | |
| Make | Mazda | Porsche |
| Model | 929 | 911 |
| Year Released | 1975 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 1769 cc | 3589 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 83 HP | 325 HP |
| Engine RPM | 5000 RPM | 4250 RPM |
| Torque | 134 Nm | 370 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 80.1 mm | 96 mm |
| Engine Stroke Size | 88 mm | 83 mm |
| Engine Compression Ratio | 8.6:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1525 kg |
| Vehicle Length | 4410 mm | 4440 mm |
| Vehicle Width | 1670 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2360 mm |
| Fuel Tank Capacity | 55 L | 64 L |
