1974 Mazda 929 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 33 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 1,769 cc (4 cylinders), 1974 Mazda 929 is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (89 HP @ 4000 RPM) has 6 more horse power than 1974 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1974 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 310 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.
Let's talk about torque, 2007 Opel Astra (200 Nm @ 1750 RPM) has 66 more torque (in Nm) than 1974 Mazda 929. (134 Nm @ 3000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 929.
Compare all specifications:
1974 Mazda 929 | 2007 Opel Astra | |
Make | Mazda | Opel |
Model | 929 | Astra |
Year Released | 1974 | 2007 |
Engine Position | Front | Front |
Engine Size | 1769 cc | 1248 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 83 HP | 89 HP |
Engine RPM | 5000 RPM | 4000 RPM |
Torque | 134 Nm | 200 Nm |
Torque RPM | 3000 RPM | 1750 RPM |
Engine Bore Size | 80 mm | 69.6 mm |
Engine Stroke Size | 88 mm | 82 mm |
Engine Compression Ratio | 8.6:1 | 18.0:1 |
Fuel Type | Gasoline | Diesel |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1070 kg | 1380 kg |
Vehicle Length | 4550 mm | 4520 mm |
Vehicle Width | 1670 mm | 1800 mm |
Vehicle Height | 1420 mm | 1510 mm |
Wheelbase Size | 2520 mm | 2710 mm |
Fuel Tank Capacity | 55 L | 52 L |