1983 Mazda RX-7 vs. 1973 Pontiac Firebird
To start off, 1983 Mazda RX-7 is newer by 10 year(s). Which means there will be less support and parts availability for 1973 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1973 Pontiac Firebird would be higher. At 7,462 cc (8 cylinders), 1973 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1973 Pontiac Firebird (296 HP @ 4000 RPM) has 191 more horse power than 1983 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 1973 Pontiac Firebird should accelerate faster than 1983 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 690 kg more than 1983 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1973 Pontiac Firebird (563 Nm @ 3200 RPM) has 418 more torque (in Nm) than 1983 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1973 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1983 Mazda RX-7.
Compare all specifications:
| 1983 Mazda RX-7 | 1973 Pontiac Firebird | |
| Make | Mazda | Pontiac |
| Model | RX-7 | Firebird |
| Year Released | 1983 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 7462 cc |
| Engine Type | dual-disk rotary | V |
| Horse Power | 105 HP | 296 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 145 Nm | 563 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1060 kg | 1750 kg |
| Vehicle Length | 4290 mm | 4870 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Vehicle Height | 1270 mm | 1290 mm |
| Wheelbase Size | 2430 mm | 2750 mm |
| Fuel Tank Capacity | 65 L | 76 L |
