1972 Buick GS vs. 1975 Mazda RX 4 Coupe
To start off, 1975 Mazda RX 4 Coupe is newer by 3 year(s). Which means there will be less support and parts availability for 1972 Buick GS. In addition, the cost of maintenance, including insurance, on 1972 Buick GS would be higher. At 5,723 cc (6 cylinders), 1972 Buick GS is equipped with a bigger engine. In terms of performance, 1972 Buick GS (190 HP @ 4000 RPM) has 76 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 1972 Buick GS should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1972 Buick GS weights approximately 520 kg more than 1975 Mazda RX 4 Coupe. 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 Buick GS (394 Nm @ 2800 RPM) has 229 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 1972 Buick GS will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 1972 Buick GS | 1975 Mazda RX 4 Coupe | |
| Make | Buick | Mazda |
| Model | GS | RX 4 Coupe |
| Year Released | 1972 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5723 cc | 2616 cc |
| Engine Cylinders | 6 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 190 HP | 114 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 394 Nm | 165 Nm |
| Torque RPM | 2800 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1630 kg | 1110 kg |
| Vehicle Length | 5180 mm | 4400 mm |
| Vehicle Width | 1960 mm | 1670 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2860 mm | 2520 mm |
