1975 Mazda RX 4 Coupe vs. 1976 Mazda 818
To start off, 1976 Mazda 818 is newer by 1 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 2,616 cc (2 cylinders), 1975 Mazda RX 4 Coupe is equipped with a bigger engine. In terms of performance, 1975 Mazda RX 4 Coupe (114 HP @ 6000 RPM) has 46 more horse power than 1976 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 1976 Mazda 818. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda RX 4 Coupe weights approximately 108 kg more than 1976 Mazda 818. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Mazda RX 4 Coupe (165 Nm @ 4000 RPM) has 73 more torque (in Nm) than 1976 Mazda 818. (92 Nm @ 4000 RPM). This means 1975 Mazda RX 4 Coupe will have an easier job in driving up hills or pulling heavy equipment than 1976 Mazda 818.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 1976 Mazda 818 | |
| Make | Mazda | Mazda |
| Model | RX 4 Coupe | 818 |
| Year Released | 1975 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1272 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 68 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 165 Nm | 92 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1110 kg | 1002 kg |
| Vehicle Length | 4400 mm | 4100 mm |
| Vehicle Width | 1670 mm | 1600 mm |
| Vehicle Height | 1390 mm | 1410 mm |
| Wheelbase Size | 2520 mm | 2320 mm |
