1972 AC 428 vs. 1970 Pontiac Firebird
To start off, 1972 AC 428 is newer by 2 year(s). Which means there will be less support and parts availability for 1970 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1970 Pontiac Firebird would be higher. At 7,003 cc (8 cylinders), 1972 AC 428 is equipped with a bigger engine. In terms of performance, 1972 AC 428 (298 HP @ 4600 RPM) has 125 more horse power than 1970 Pontiac Firebird. (173 HP @ 4400 RPM). In normal driving conditions, 1972 AC 428 should accelerate faster than 1970 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1970 Pontiac Firebird weights approximately 162 kg more than 1972 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, 1972 AC 428 (639 Nm @ 2800 RPM) has 218 more torque (in Nm) than 1970 Pontiac Firebird. (421 Nm @ 2400 RPM). This means 1972 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1970 Pontiac Firebird.
Compare all specifications:
| 1972 AC 428 | 1970 Pontiac Firebird | |
| Make | AC | Pontiac |
| Model | 428 | Firebird |
| Year Released | 1972 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 6547 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 298 HP | 173 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Torque | 639 Nm | 421 Nm |
| Torque RPM | 2800 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1434 kg | 1596 kg |
| Vehicle Length | 4430 mm | 4880 mm |
| Vehicle Width | 1710 mm | 1870 mm |
| Vehicle Height | 1310 mm | 1290 mm |
| Wheelbase Size | 2450 mm | 2750 mm |
