1975 Mazda 929 vs. 1968 Opel Olympia
To start off, 1975 Mazda 929 is newer by 7 year(s). Which means there will be less support and parts availability for 1968 Opel Olympia. In addition, the cost of maintenance, including insurance, on 1968 Opel Olympia would be higher. At 1,769 cc (4 cylinders), 1975 Mazda 929 is equipped with a bigger engine. In terms of performance, 1975 Mazda 929 (83 HP @ 5000 RPM) has 24 more horse power than 1968 Opel Olympia. (59 HP @ 5200 RPM). In normal driving conditions, 1975 Mazda 929 should accelerate faster than 1968 Opel Olympia. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda 929 weights approximately 290 kg more than 1968 Opel Olympia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Mazda 929 (134 Nm @ 3000 RPM) has 48 more torque (in Nm) than 1968 Opel Olympia. (86 Nm @ 4400 RPM). This means 1975 Mazda 929 will have an easier job in driving up hills or pulling heavy equipment than 1968 Opel Olympia.
Compare all specifications:
| 1975 Mazda 929 | 1968 Opel Olympia | |
| Make | Mazda | Opel |
| Model | 929 | Olympia |
| Year Released | 1975 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1078 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 59 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 134 Nm | 86 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Bore Size | 80.1 mm | 75 mm |
| Engine Stroke Size | 88 mm | 61 mm |
| Engine Compression Ratio | 8.6:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 780 kg |
| Vehicle Length | 4410 mm | 4190 mm |
| Vehicle Width | 1670 mm | 1580 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2520 mm | 2420 mm |
| Fuel Tank Capacity | 55 L | 70 L |
