1955 Buick 40 vs. 1975 Mazda RX 4 Coupe
To start off, 1975 Mazda RX 4 Coupe is newer by 20 year(s). Which means there will be less support and parts availability for 1955 Buick 40. In addition, the cost of maintenance, including insurance, on 1955 Buick 40 would be higher. At 5,277 cc (8 cylinders), 1955 Buick 40 is equipped with a bigger engine. In terms of performance, 1955 Buick 40 (234 HP @ 4600 RPM) has 120 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 1955 Buick 40 should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1955 Buick 40 weights approximately 615 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, 1955 Buick 40 (447 Nm @ 3000 RPM) has 282 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 1955 Buick 40 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 1955 Buick 40 | 1975 Mazda RX 4 Coupe | |
| Make | Buick | Mazda |
| Model | 40 | RX 4 Coupe |
| Year Released | 1955 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 5277 cc | 2616 cc |
| Engine Cylinders | 8 cylinders | 2 cylinders |
| Engine Type | V | in-line |
| Horse Power | 234 HP | 114 HP |
| Engine RPM | 4600 RPM | 6000 RPM |
| Torque | 447 Nm | 165 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1725 kg | 1110 kg |
| Wheelbase Size | 3110 mm | 2520 mm |
