1977 Buick Regal vs. 1981 Buick LeSabre
To start off, 1981 Buick LeSabre is newer by 4 year(s). Which means there will be less support and parts availability for 1977 Buick Regal. In addition, the cost of maintenance, including insurance, on 1977 Buick Regal would be higher. Both 1977 Buick Regal and 1981 Buick LeSabre are equipped with a 5,736 cc engine. In terms of performance, 1977 Buick Regal (163 HP @ 3800 RPM) has 58 more horse power than 1981 Buick LeSabre. (105 HP @ 3200 RPM). In normal driving conditions, 1977 Buick Regal should accelerate faster than 1981 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1981 Buick LeSabre weights approximately 260 kg more than 1977 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, 1977 Buick Regal (352 Nm @ 2400 RPM) has 78 more torque (in Nm) than 1981 Buick LeSabre. (274 Nm @ 1600 RPM). This means 1977 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick LeSabre.
Compare all specifications:
| 1977 Buick Regal | 1981 Buick LeSabre | |
| Make | Buick | Buick |
| Model | Regal | LeSabre |
| Year Released | 1977 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 5736 cc | 5736 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 163 HP | 105 HP |
| Engine RPM | 3800 RPM | 3200 RPM |
| Torque | 352 Nm | 274 Nm |
| Torque RPM | 2400 RPM | 1600 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1540 kg | 1800 kg |
| Vehicle Length | 5090 mm | 5550 mm |
| Vehicle Width | 1840 mm | 1910 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2750 mm | 2950 mm |
