1973 Mazda 929 vs. 1991 Opel Frontera
To start off, 1991 Opel Frontera is newer by 18 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 1,998 cc (4 cylinders), 1991 Opel Frontera is equipped with a bigger engine. In terms of performance, 1991 Opel Frontera (114 HP @ 5200 RPM) has 31 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1991 Opel Frontera should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Frontera weights approximately 569 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, 1991 Opel Frontera (170 Nm @ 2800 RPM) has 36 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 1991 Opel Frontera will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
| 1973 Mazda 929 | 1991 Opel Frontera | |
| Make | Mazda | Opel |
| Model | 929 | Frontera |
| Year Released | 1973 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 114 HP |
| Engine RPM | 5000 RPM | 5200 RPM |
| Torque | 134 Nm | 170 Nm |
| Torque RPM | 3000 RPM | 2800 RPM |
| Engine Bore Size | 80 mm | 86 mm |
| Engine Stroke Size | 88 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1070 kg | 1639 kg |
| Vehicle Length | 4410 mm | 4210 mm |
| Vehicle Width | 1670 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1700 mm |
| Wheelbase Size | 2520 mm | 2470 mm |
| Fuel Tank Capacity | 55 L | 75 L |
