1975 Mazda RX 4 Coupe vs. 1999 Pontiac Firebird
To start off, 1999 Pontiac Firebird is newer by 24 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 3,785 cc (6 cylinders), 1999 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1999 Pontiac Firebird (200 HP) has 86 more horse power than 1975 Mazda RX 4 Coupe. (114 HP) In normal driving conditions, 1999 Pontiac Firebird should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 1999 Pontiac Firebird weights approximately 395 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, 1999 Pontiac Firebird (305 Nm @ 4000 RPM) has 140 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 1999 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 | 1999 Pontiac Firebird | |
| Make | Mazda | Pontiac |
| Model | RX 4 Coupe | Firebird |
| Year Released | 1975 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 3785 cc |
| Engine Cylinders | 2 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 114 HP | 200 HP |
| Torque | 165 Nm | 305 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1110 kg | 1505 kg |
| Vehicle Length | 4400 mm | 4920 mm |
| Vehicle Width | 1670 mm | 1900 mm |
| Vehicle Height | 1390 mm | 1310 mm |
| Wheelbase Size | 2520 mm | 2570 mm |
