1977 Buick Regal vs. 1971 Rover P6
To start off, 1977 Buick Regal is newer by 6 year(s). Which means there will be less support and parts availability for 1971 Rover P6. In addition, the cost of maintenance, including insurance, on 1971 Rover P6 would be higher. At 3,532 cc (8 cylinders), 1971 Rover P6 is equipped with a bigger engine. In terms of performance, 1971 Rover P6 (150 HP @ 5000 RPM) has 61 more horse power than 1977 Buick Regal. (89 HP @ 3600 RPM) In normal driving conditions, 1971 Rover P6 should accelerate faster than 1977 Buick Regal. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick Regal weights approximately 135 kg more than 1971 Rover P6.
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 Rover P6 (274 Nm @ 2750 RPM) has 50 more torque (in Nm) than 1977 Buick Regal. (224 Nm @ 2000 RPM). This means 1971 Rover P6 will have an easier job in driving up hills or pulling heavy equipment than 1977 Buick Regal.
Compare all specifications:
| 1977 Buick Regal | 1971 Rover P6 | |
| Make | Buick | Rover |
| Model | Regal | P6 |
| Year Released | 1977 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 3214 cc | 3532 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 89 HP | 150 HP |
| Engine RPM | 3600 RPM | 5000 RPM |
| Torque | 224 Nm | 274 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1430 kg | 1295 kg |
| Vehicle Length | 5090 mm | 4570 mm |
| Vehicle Width | 1840 mm | 1680 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2630 mm |
