1974 Mazda 929 vs. 1978 Opel Senator
To start off, 1978 Opel Senator is newer by 4 year(s). Which means there will be less support and parts availability for 1974 Mazda 929. In addition, the cost of maintenance, including insurance, on 1974 Mazda 929 would be higher. At 2,969 cc (6 cylinders), 1978 Opel Senator is equipped with a bigger engine. In terms of performance, 1978 Opel Senator (177 HP @ 5800 RPM) has 94 more horse power than 1974 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1978 Opel Senator should accelerate faster than 1974 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1978 Opel Senator weights approximately 390 kg more than 1974 Mazda 929. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1978 Opel Senator (248 Nm @ 4200 RPM) has 114 more torque (in Nm) than 1974 Mazda 929. (134 Nm @ 2500 RPM). This means 1978 Opel Senator will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 929.
Compare all specifications:
| 1974 Mazda 929 | 1978 Opel Senator | |
| Make | Mazda | Opel |
| Model | 929 | Senator |
| Year Released | 1974 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1767 cc | 2969 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 177 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 134 Nm | 248 Nm |
| Torque RPM | 2500 RPM | 4200 RPM |
| Engine Bore Size | 80 mm | 95 mm |
| Engine Stroke Size | 88 mm | 69.8 mm |
| Engine Compression Ratio | 8.6:1 | 9.4:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1095 kg | 1485 kg |
| Vehicle Length | 4410 mm | 4700 mm |
| Vehicle Width | 1670 mm | 1730 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2520 mm | 2670 mm |
| Fuel Tank Capacity | 65 L | 70 L |
