1978 Mazda 929 vs. 2012 Mazda 6
To start off, 2012 Mazda 6 is newer by 34 year(s). Which means there will be less support and parts availability for 1978 Mazda 929. In addition, the cost of maintenance, including insurance, on 1978 Mazda 929 would be higher. At 2,500 cc (4 cylinders), 2012 Mazda 6 is equipped with a bigger engine. In terms of performance, 2012 Mazda 6 (170 HP @ 6000 RPM) has 87 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2012 Mazda 6 should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mazda 6 weights approximately 440 kg more than 1978 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, 2012 Mazda 6 (226 Nm @ 4000 RPM) has 92 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 2012 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1978 Mazda 929 | 2012 Mazda 6 | |
| Make | Mazda | Mazda |
| Model | 929 | 6 |
| Year Released | 1978 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 170 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 134 Nm | 226 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1070 kg | 1510 kg |
| Vehicle Length | 4410 mm | 4755 mm |
| Vehicle Width | 1670 mm | 1795 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2520 mm | 2789 mm |
| Fuel Tank Capacity | 55 L | 70 L |
