2004 Hyundai Sonata vs. 1978 Mazda 929
To start off, 2004 Hyundai Sonata is newer by 26 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 2,655 cc (6 cylinders), 2004 Hyundai Sonata is equipped with a bigger engine. In terms of performance, 2004 Hyundai Sonata (170 HP @ 6000 RPM) has 87 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 2004 Hyundai Sonata should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 2004 Hyundai Sonata weights approximately 338 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, 2004 Hyundai Sonata (241 Nm) has 107 more torque (in Nm) than 1978 Mazda 929. (134 Nm). This means 2004 Hyundai Sonata will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 2004 Hyundai Sonata | 1978 Mazda 929 | |
| Make | Hyundai | Mazda |
| Model | Sonata | 929 |
| Year Released | 2004 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2655 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 170 HP | 83 HP |
| Engine RPM | 6000 RPM | 5000 RPM |
| Torque | 241 Nm | 134 Nm |
| Engine Bore Size | 87.1 mm | 80 mm |
| Engine Stroke Size | 75 mm | 88 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1408 kg | 1070 kg |
| Vehicle Length | 4750 mm | 4410 mm |
| Vehicle Width | 1830 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2760 mm | 2520 mm |
| Fuel Tank Capacity | 65 L | 55 L |
