1971 AC 428 vs. 1978 Buick Regal
To start off, 1978 Buick Regal is newer by 7 year(s). Which means there will be less support and parts availability for 1971 AC 428. In addition, the cost of maintenance, including insurance, on 1971 AC 428 would be higher. At 7,003 cc (8 cylinders), 1971 AC 428 is equipped with a bigger engine. In terms of performance, 1971 AC 428 (298 HP @ 4600 RPM) has 208 more horse power than 1978 Buick Regal. (90 HP @ 3600 RPM). In normal driving conditions, 1971 AC 428 should accelerate faster than 1978 Buick Regal.
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, 1971 AC 428 (639 Nm @ 2800 RPM) has 415 more torque (in Nm) than 1978 Buick Regal. (224 Nm @ 2000 RPM). This means 1971 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1978 Buick Regal.
Compare all specifications:
| 1971 AC 428 | 1978 Buick Regal | |
| Make | AC | Buick |
| Model | 428 | Regal |
| Year Released | 1971 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 7003 cc | 3214 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 298 HP | 90 HP |
| Engine RPM | 4600 RPM | 3600 RPM |
| Torque | 639 Nm | 224 Nm |
| Torque RPM | 2800 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1430 kg |
| Vehicle Length | 4430 mm | 5090 mm |
| Vehicle Width | 1710 mm | 1840 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2450 mm | 2750 mm |
