2007 Chevrolet Optra vs. 1975 Mazda 929

To start off, 2007 Chevrolet Optra 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 1,799 cc (4 cylinders), 2007 Chevrolet Optra is equipped with a bigger engine. In terms of performance, 2007 Chevrolet Optra (120 HP @ 5800 RPM) has 37 more horse power than 1975 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2007 Chevrolet Optra should accelerate faster than 1975 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2007 Chevrolet Optra weights approximately 141 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, 2007 Chevrolet Optra (165 Nm @ 4000 RPM) has 31 more torque (in Nm) than 1975 Mazda 929. (134 Nm @ 3000 RPM). This means 2007 Chevrolet Optra will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 929.

Compare all specifications:

2007 Chevrolet Optra 1975 Mazda 929
Make Chevrolet Mazda
Model Optra 929
Year Released 2007 1975
Engine Position Front Front
Engine Size 1799 cc 1769 cc
Engine Cylinders 4 cylinders 4 cylinders
Engine Type in-line in-line
Horse Power 120 HP 83 HP
Engine RPM 5800 RPM 5000 RPM
Torque 165 Nm 134 Nm
Torque RPM 4000 RPM 3000 RPM
Engine Bore Size 81.6 mm 80.1 mm
Engine Stroke Size 86 mm 88 mm
Engine Compression Ratio 9.8:1 8.6:1
Fuel Type Gasoline Gasoline
Number of Seats 5 seats 5 seats
Number of Doors 4 doors 4 doors
Vehicle Weight 1211 kg 1070 kg
Vehicle Length 4510 mm 4410 mm
Vehicle Width 1730 mm 1670 mm
Vehicle Height 1450 mm 1420 mm
Wheelbase Size 2610 mm 2520 mm
Fuel Tank Capacity 60 L 55 L


 

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