1971 Buick GS vs. 1974 Mazda 929
To start off, 1974 Mazda 929 is newer by 3 year(s). Which means there will be less support and parts availability for 1971 Buick GS. In addition, the cost of maintenance, including insurance, on 1971 Buick GS would be higher. At 5,724 cc (6 cylinders), 1971 Buick GS is equipped with a bigger engine. In terms of performance, 1971 Buick GS (190 HP @ 4000 RPM) has 107 more horse power than 1974 Mazda 929. (83 HP @ 5000 RPM). In normal driving conditions, 1971 Buick GS should accelerate faster than 1974 Mazda 929. With that said, vehicle weight also plays an important factor in acceleration. 1971 Buick GS weights approximately 562 kg more than 1974 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, 1971 Buick GS (394 Nm @ 2800 RPM) has 260 more torque (in Nm) than 1974 Mazda 929. (134 Nm @ 3000 RPM). This means 1971 Buick GS will have an easier job in driving up hills or pulling heavy equipment than 1974 Mazda 929.
Compare all specifications:
| 1971 Buick GS | 1974 Mazda 929 | |
| Make | Buick | Mazda |
| Model | GS | 929 |
| Year Released | 1971 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 5724 cc | 1769 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 190 HP | 83 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 394 Nm | 134 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1632 kg | 1070 kg |
| Vehicle Length | 5180 mm | 4550 mm |
| Vehicle Width | 1960 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1420 mm |
| Wheelbase Size | 2860 mm | 2520 mm |
