1977 Mazda 929 vs. 2004 Mazda 6
To start off, 2004 Mazda 6 is newer by 27 year(s). Which means there will be less support and parts availability for 1977 Mazda 929. In addition, the cost of maintenance, including insurance, on 1977 Mazda 929 would be higher. At 1,999 cc (4 cylinders), 2004 Mazda 6 is equipped with a bigger engine. In terms of performance, 2004 Mazda 6 (144 HP @ 6000 RPM) has 61 more horse power than 1977 Mazda 929. (83 HP @ 5000 RPM) In normal driving conditions, 2004 Mazda 6 should accelerate faster than 1977 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda 6 weights approximately 336 kg more than 1977 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, 2004 Mazda 6 (181 Nm @ 4500 RPM) has 47 more torque (in Nm) than 1977 Mazda 929. (134 Nm @ 3000 RPM). This means 2004 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1977 Mazda 929.
Compare all specifications:
| 1977 Mazda 929 | 2004 Mazda 6 | |
| Make | Mazda | Mazda |
| Model | 929 | 6 |
| Year Released | 1977 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1769 cc | 1999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 83 HP | 144 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 134 Nm | 181 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 80 mm | 87.5 mm |
| Engine Stroke Size | 88 mm | 83.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1074 kg | 1410 kg |
| Vehicle Length | 4410 mm | 4710 mm |
| Vehicle Width | 1670 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1490 mm |
| Wheelbase Size | 2520 mm | 2610 mm |
| Fuel Tank Capacity | 55 L | 64 L |
