1975 Mazda 929 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 32 year(s). Which means there will be less support and parts availability for 1975 Mazda 929. In addition, the cost of maintenance, including insurance, on 1975 Mazda 929 would be higher. At 1,769 cc (4 cylinders), 1975 Mazda 929 is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (90 HP @ 5600 RPM) has 7 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 160 kg more than 1975 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, 1975 Mazda 929 (134 Nm @ 3000 RPM) has 9 more torque (in Nm) than 2007 Opel Astra. (125 Nm @ 4000 RPM). This means 1975 Mazda 929 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra.
Compare all specifications:
1975 Mazda 929 | 2007 Opel Astra | |
Make | Mazda | Opel |
Model | 929 | Astra |
Year Released | 1975 | 2007 |
Engine Position | Front | Front |
Engine Size | 1769 cc | 1364 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 83 HP | 90 HP |
Engine RPM | 5000 RPM | 5600 RPM |
Torque | 134 Nm | 125 Nm |
Torque RPM | 3000 RPM | 4000 RPM |
Engine Bore Size | 80.1 mm | 73.4 mm |
Engine Stroke Size | 88 mm | 80.6 mm |
Engine Compression Ratio | 8.6:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1070 kg | 1230 kg |
Vehicle Length | 4410 mm | 4260 mm |
Vehicle Width | 1670 mm | 1760 mm |
Vehicle Height | 1420 mm | 1470 mm |
Wheelbase Size | 2520 mm | 2620 mm |
Fuel Tank Capacity | 55 L | 52 L |