1973 Mazda 929 vs. 1991 Opel Astra
To start off, 1991 Opel Astra 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 1,768 cc (4 cylinders), 1973 Mazda 929 is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (100 HP @ 5600 RPM) has 17 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1973 Mazda 929 weights approximately 130 kg more than 1991 Opel Astra.
Because 1973 Mazda 929 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1973 Mazda 929. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. 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, 1973 Mazda 929 (137 Nm @ 3000 RPM) has 2 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 1973 Mazda 929 will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1973 Mazda 929 | 1991 Opel Astra | |
| Make | Mazda | Opel |
| Model | 929 | Astra |
| Year Released | 1973 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1768 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 100 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 137 Nm | 135 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Bore Size | 80 mm | 79 mm |
| Engine Stroke Size | 88 mm | 81.5 mm |
| Engine Compression Ratio | 8.6:1 | 9.8:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1160 kg | 1030 kg |
| Vehicle Length | 4550 mm | 4250 mm |
| Vehicle Width | 1670 mm | 1690 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2520 mm | 2530 mm |
| Fuel Tank Capacity | 65 L | 52 L |
