1986 Alfa Romeo 75 vs. 1975 Mazda 929
To start off, 1986 Alfa Romeo 75 is newer by 11 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 1,779 cc (4 cylinders), 1986 Alfa Romeo 75 is equipped with a bigger engine. In terms of performance, 1986 Alfa Romeo 75 (153 HP @ 5800 RPM) has 70 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1986 Alfa Romeo 75 should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 136 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, 1986 Alfa Romeo 75 (230 Nm @ 2600 RPM) has 96 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 1986 Alfa Romeo 75 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1975 Mazda 929 | |
| Make | Alfa Romeo | Mazda |
| Model | 75 | 929 |
| Year Released | 1986 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 83 HP |
| Engine RPM | 5800 RPM | 5000 RPM |
| Torque | 230 Nm | 134 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 80.1 mm |
| Engine Stroke Size | 88.5 mm | 88 mm |
| Engine Compression Ratio | 7.5:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1206 kg | 1070 kg |
| Vehicle Length | 4340 mm | 4410 mm |
| Vehicle Width | 1640 mm | 1670 mm |
| Vehicle Height | 1360 mm | 1420 mm |
| Wheelbase Size | 2460 mm | 2520 mm |
| Fuel Tank Capacity | 68 L | 55 L |
