1978 Mazda 616 vs. 2004 Mazda 6
To start off, 2004 Mazda 6 is newer by 26 year(s). Which means there will be less support and parts availability for 1978 Mazda 616. In addition, the cost of maintenance, including insurance, on 1978 Mazda 616 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 65 more horse power than 1978 Mazda 616. (79 HP @ 5500 RPM) In normal driving conditions, 2004 Mazda 6 should accelerate faster than 1978 Mazda 616. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mazda 6 weights approximately 498 kg more than 1978 Mazda 616. 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 57 more torque (in Nm) than 1978 Mazda 616. (124 Nm @ 3500 RPM). This means 2004 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 616.
Compare all specifications:
| 1978 Mazda 616 | 2004 Mazda 6 | |
| Make | Mazda | Mazda |
| Model | 616 | 6 |
| Year Released | 1978 | 2004 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1586 cc | 1999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 79 HP | 144 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 124 Nm | 181 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Engine Bore Size | 78 mm | 87.5 mm |
| Engine Stroke Size | 83 mm | 83.1 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 912 kg | 1410 kg |
| Vehicle Length | 4160 mm | 4710 mm |
| Vehicle Width | 1590 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1490 mm |
| Wheelbase Size | 2480 mm | 2610 mm |
