1982 Alfa Romeo Spider vs. 1975 Mazda 929
To start off, 1982 Alfa Romeo Spider is newer by 7 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 1,769 cc (4 cylinders), 1975 Mazda 929 is equipped with a bigger engine. In terms of performance, 1982 Alfa Romeo Spider (108 HP) has 25 more horse power than 1975 Mazda 929. (83 HP). In normal driving conditions, 1982 Alfa Romeo Spider should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda 929 weights approximately 70 kg more than 1982 Alfa Romeo Spider.
Let's talk about torque, 1982 Alfa Romeo Spider (145 Nm @ 4000 RPM) has 11 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 1982 Alfa Romeo Spider will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.
Compare all specifications:
| 1982 Alfa Romeo Spider | 1975 Mazda 929 | |
| Make | Alfa Romeo | Mazda |
| Model | Spider | 929 |
| Year Released | 1982 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 1769 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 83 HP |
| Torque | 145 Nm | 134 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 78 mm | 80.1 mm |
| Engine Stroke Size | 82 mm | 88 mm |
| Engine Compression Ratio | 9.0:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1000 kg | 1070 kg |
| Vehicle Length | 4130 mm | 4410 mm |
| Vehicle Width | 1640 mm | 1670 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2260 mm | 2520 mm |
