1955 Alfa Romeo GP 159 vs. 1974 Mazda 929
To start off, 1974 Mazda 929 is newer by 19 year(s). Which means there will be less support and parts availability for 1955 Alfa Romeo GP 159. In addition, the cost of maintenance, including insurance, on 1955 Alfa Romeo GP 159 would be higher. At 1,769 cc (4 cylinders), 1974 Mazda 929 is equipped with a bigger engine. In terms of performance, 1955 Alfa Romeo GP 159 (420 HP @ 9300 RPM) has 337 more horse power than 1974 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1955 Alfa Romeo GP 159 should accelerate faster than 1974 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1974 Mazda 929 weights approximately 360 kg more than 1955 Alfa Romeo GP 159.
Compare all specifications:
| 1955 Alfa Romeo GP 159 | 1974 Mazda 929 | |
| Make | Alfa Romeo | Mazda |
| Model | GP 159 | 929 |
| Year Released | 1955 | 1974 |
| Engine Size | 1479 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 420 HP | 83 HP |
| Engine RPM | 9300 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 710 kg | 1070 kg |
