1972 AMC Javelin vs. 1978 Mazda 929
To start off, 1978 Mazda 929 is newer by 6 year(s). Which means there will be less support and parts availability for 1972 AMC Javelin. In addition, the cost of maintenance, including insurance, on 1972 AMC Javelin would be higher. At 4,982 cc (8 cylinders), 1972 AMC Javelin is equipped with a bigger engine. In terms of performance, 1972 AMC Javelin (151 HP @ 4200 RPM) has 68 more horse power than 1978 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1972 AMC Javelin should accelerate faster than 1978 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1972 AMC Javelin weights approximately 380 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, 1972 AMC Javelin (332 Nm @ 2500 RPM) has 198 more torque (in Nm) than 1978 Mazda 929. (134 Nm @ 3000 RPM). This means 1972 AMC Javelin will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda 929.
Compare all specifications:
| 1972 AMC Javelin | 1978 Mazda 929 | |
| Make | AMC | Mazda |
| Model | Javelin | 929 |
| Year Released | 1972 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 4982 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 151 HP | 83 HP |
| Engine RPM | 4200 RPM | 5000 RPM |
| Torque | 332 Nm | 134 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 95.2 mm | 80 mm |
| Engine Stroke Size | 87.3 mm | 88 mm |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1070 kg |
| Vehicle Length | 4880 mm | 4410 mm |
| Vehicle Width | 1920 mm | 1670 mm |
| Vehicle Height | 1300 mm | 1420 mm |
| Wheelbase Size | 2800 mm | 2520 mm |
| Fuel Tank Capacity | 60 L | 55 L |
