1973 Mazda 929 vs. 1979 Opel Ascona
To start off, 1979 Opel Ascona is newer by 6 year(s). Which means there will be less support and parts availability for 1973 Mazda 929. In addition, the cost of maintenance, including insurance, on 1973 Mazda 929 would be higher. At 2,408 cc (4 cylinders), 1979 Opel Ascona is equipped with a bigger engine. In terms of performance, 1979 Opel Ascona (142 HP @ 5200 RPM) has 59 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1979 Opel Ascona should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1979 Opel Ascona weights approximately 12 kg more than 1973 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, 1979 Opel Ascona (210 Nm @ 3800 RPM) has 76 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 1979 Opel Ascona will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 1973 Mazda 929 | 1979 Opel Ascona | |
| Make | Mazda | Opel |
| Model | 929 | Ascona |
| Year Released | 1973 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2408 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 142 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 134 Nm | 210 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 95 mm |
| Engine Stroke Size | 88 mm | 85 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 1082 kg |
| Vehicle Length | 4410 mm | 4330 mm |
| Vehicle Width | 1670 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2520 mm | 2520 mm |
