1973 Mazda 929 vs. 2011 Opel Astra
To start off, 2011 Opel Astra is newer by 38 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 1,910 cc (4 cylinders), 2011 Opel Astra is equipped with a bigger engine. In terms of performance, 2011 Opel Astra (148 HP @ 4000 RPM) has 65 more horse power than 1973 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2011 Opel Astra should accelerate faster than 1973 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2011 Opel Astra weights approximately 323 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, 2011 Opel Astra (320 Nm @ 2000 RPM) has 186 more torque (in Nm) than 1973 Mazda 929. (134 Nm @ 3000 RPM). This means 2011 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 Mazda 929.
Compare all specifications:
1973 Mazda 929 | 2011 Opel Astra | |
Make | Mazda | Opel |
Model | 929 | Astra |
Year Released | 1973 | 2011 |
Engine Position | Front | Front |
Engine Size | 1769 cc | 1910 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 83 HP | 148 HP |
Engine RPM | 5000 RPM | 4000 RPM |
Torque | 134 Nm | 320 Nm |
Torque RPM | 3000 RPM | 2000 RPM |
Engine Bore Size | 80 mm | 82 mm |
Engine Stroke Size | 88 mm | 90.4 mm |
Fuel Type | Gasoline | Diesel |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1070 kg | 1393 kg |
Vehicle Length | 4410 mm | 4300 mm |
Vehicle Width | 1670 mm | 1760 mm |
Vehicle Height | 1420 mm | 1440 mm |
Wheelbase Size | 2520 mm | 2620 mm |
Fuel Tank Capacity | 55 L | 52 L |