1968 Ford Zephyr vs. 1981 Pontiac Firebird
To start off, 1981 Pontiac Firebird is newer by 13 year(s). Which means there will be less support and parts availability for 1968 Ford Zephyr. In addition, the cost of maintenance, including insurance, on 1968 Ford Zephyr would be higher. At 5,012 cc (8 cylinders), 1981 Pontiac Firebird is equipped with a bigger engine. In terms of performance, 1981 Pontiac Firebird (145 HP @ 3800 RPM) has 64 more horse power than 1968 Ford Zephyr. (81 HP @ 4750 RPM) In normal driving conditions, 1981 Pontiac Firebird should accelerate faster than 1968 Ford Zephyr. With that said, vehicle weight also plays an important factor in acceleration. 1981 Pontiac Firebird weights approximately 288 kg more than 1968 Ford Zephyr. 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, 1981 Pontiac Firebird (324 Nm @ 2400 RPM) has 171 more torque (in Nm) than 1968 Ford Zephyr. (153 Nm @ 2750 RPM). This means 1981 Pontiac Firebird will have an easier job in driving up hills or pulling heavy equipment than 1968 Ford Zephyr.
Compare all specifications:
| 1968 Ford Zephyr | 1981 Pontiac Firebird | |
| Make | Ford | Pontiac |
| Model | Zephyr | Firebird |
| Year Released | 1968 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 5012 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 81 HP | 145 HP |
| Engine RPM | 4750 RPM | 3800 RPM |
| Torque | 153 Nm | 324 Nm |
| Torque RPM | 2750 RPM | 2400 RPM |
| Engine Bore Size | 93.7 mm | 95 mm |
| Engine Stroke Size | 72.4 mm | 88.4 mm |
| Engine Compression Ratio | 8.9:1 | 8.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1254 kg | 1542 kg |
| Vehicle Length | 4710 mm | 5040 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1490 mm | 1260 mm |
| Wheelbase Size | 2930 mm | 2750 mm |
| Fuel Tank Capacity | 40 L | 79 L |
