1975 Mazda RX 4 Coupe vs. 1974 Pontiac Firebird
To start off, 1975 Mazda RX 4 Coupe is newer by 1 year(s). Which means there will be less support and parts availability for 1974 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1974 Pontiac Firebird would be higher. At 6,547 cc (8 cylinders), 1974 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1974 Pontiac Firebird (285 HP @ 4400 RPM) has 171 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM) In normal driving conditions, 1974 Pontiac Firebird should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1974 Pontiac Firebird weights approximately 486 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, 1974 Pontiac Firebird (421 Nm @ 2400 RPM) has 256 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 1974 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 1974 Pontiac Firebird | |
| Make | Mazda | Pontiac |
| Model | RX 4 Coupe | Firebird |
| Year Released | 1975 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 6547 cc |
| Engine Cylinders | 2 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 285 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 165 Nm | 421 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1110 kg | 1596 kg |
| Vehicle Length | 4400 mm | 4880 mm |
| Vehicle Width | 1670 mm | 1870 mm |
| Vehicle Height | 1390 mm | 1290 mm |
| Wheelbase Size | 2520 mm | 2750 mm |
