1977 Mazda 929 vs. 1970 Opel Commodore
To start off, 1977 Mazda 929 is newer by 7 year(s). Which means there will be less support and parts availability for 1970 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1970 Opel Commodore would be higher. At 2,490 cc (6 cylinders), 1970 Opel Commodore is equipped with a bigger engine. In terms of performance, 1970 Opel Commodore (114 HP @ 5200 RPM) has 31 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1970 Opel Commodore should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1970 Opel Commodore weights approximately 96 kg more than 1977 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, 1970 Opel Commodore (177 Nm @ 3800 RPM) has 43 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 1970 Opel Commodore will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 1977 Mazda 929 | 1970 Opel Commodore | |
| Make | Mazda | Opel |
| Model | 929 | Commodore |
| Year Released | 1977 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2490 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 114 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 134 Nm | 177 Nm |
| Torque RPM | 3000 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 87.1 mm |
| Engine Stroke Size | 88 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1074 kg | 1170 kg |
| Vehicle Length | 4410 mm | 4620 mm |
| Vehicle Width | 1670 mm | 1740 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2680 mm |
| Fuel Tank Capacity | 55 L | 70 L |
