1986 Buick Regal vs. 1973 AC 428
To start off, 1986 Buick Regal is newer by 13 year(s). Which means there will be less support and parts availability for 1973 AC 428. In addition, the cost of maintenance, including insurance, on 1973 AC 428 would be higher. At 7,002 cc (8 cylinders), 1973 AC 428 is equipped with a bigger engine. In terms of performance, 1973 AC 428 (298 HP @ 4600 RPM) has 63 more horse power than 1986 Buick Regal. (235 HP @ 4400 RPM) In normal driving conditions, 1973 AC 428 should accelerate faster than 1986 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1986 Buick Regal weights approximately 60 kg more than 1973 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, 1973 AC 428 (639 Nm @ 2800 RPM) has 191 more torque (in Nm) than 1986 Buick Regal. (448 Nm @ 2800 RPM). This means 1973 AC 428 will have an easier job in driving up hills or pulling heavy equipment than 1986 Buick Regal.
Compare all specifications:
| 1986 Buick Regal | 1973 AC 428 | |
| Make | Buick | AC |
| Model | Regal | 428 |
| Year Released | 1986 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 7002 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Horse Power | 235 HP | 298 HP |
| Engine RPM | 4400 RPM | 4600 RPM |
| Torque | 448 Nm | 639 Nm |
| Torque RPM | 2800 RPM | 2800 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1430 kg |
| Vehicle Length | 5100 mm | 4430 mm |
| Vehicle Width | 1830 mm | 1710 mm |
| Vehicle Height | 1390 mm | 1310 mm |
| Wheelbase Size | 2750 mm | 2450 mm |
