1967 AC 428 vs. 1973 Pontiac Firebird
To start off, 1973 Pontiac Firebird is newer by 6 year(s). Which means there will be less support and parts availability for 1967 AC 428. In addition, the cost of maintenance, including insurance, on 1967 AC 428 would be higher. At 7,010 cc (8 cylinders), 1967 AC 428 is equipped with a bigger engine. In terms of performance, 1967 AC 428 (345 HP @ 4600 RPM) has 187 more horse power than 1973 Pontiac Firebird. (158 HP @ 4400 RPM). In normal driving conditions, 1967 AC 428 should accelerate faster than 1973 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1973 Pontiac Firebird weights approximately 102 kg more than 1967 AC 428.
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, 1967 AC 428 (627 Nm @ 2800 RPM) has 261 more torque (in Nm) than 1973 Pontiac Firebird. (366 Nm @ 2000 RPM). This means 1967 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1973 Pontiac Firebird.
Compare all specifications:
| 1967 AC 428 | 1973 Pontiac Firebird | |
| Make | AC | Pontiac |
| Model | 428 | Firebird |
| Year Released | 1967 | 1973 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Front |
| Engine Size | 7010 cc | 5792 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 345 HP | 158 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Torque | 627 Nm | 366 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1483 kg | 1585 kg |
| Vehicle Length | 4520 mm | 4880 mm |
| Vehicle Width | 1710 mm | 1870 mm |
| Vehicle Height | 1260 mm | 1290 mm |
| Wheelbase Size | 2440 mm | 2750 mm |
