1979 Mazda 929 vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Mazda 929. In addition, the cost of maintenance, including insurance, on 1979 Mazda 929 would be higher. At 1,796 cc, 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (130 HP @ 4500 RPM) has 47 more horse power than 1979 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 1979 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 33 kg more than 1979 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, 2005 Opel Astra (166 Nm @ 4400 RPM) has 32 more torque (in Nm) than 1979 Mazda 929. (134 Nm @ 3000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1979 Mazda 929.
Compare all specifications:
| 1979 Mazda 929 | 2005 Opel Astra | |
| Make | Mazda | Opel |
| Model | 929 | Astra |
| Year Released | 1979 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1767 cc | 1796 cc |
| Horse Power | 83 HP | 130 HP |
| Engine RPM | 5000 RPM | 4500 RPM |
| Torque | 134 Nm | 166 Nm |
| Torque RPM | 3000 RPM | 4400 RPM |
| Engine Bore Size | 80 mm | 80.5 mm |
| Engine Stroke Size | 88 mm | 88.2 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1103 kg |
| Wheelbase Size | 2520 mm | 2710 mm |
| Fuel Tank Capacity | 55 L | 52 L |
