1981 BMW 525 vs. 1977 Buick Estate
To start off, 1981 BMW 525 is newer by 4 year(s). Which means there will be less support and parts availability for 1977 Buick Estate. In addition, the cost of maintenance, including insurance, on 1977 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1977 Buick Estate is equipped with a bigger engine. In terms of performance, 1977 Buick Estate (153 HP @ 3400 RPM) has 5 more horse power than 1981 BMW 525. (148 HP @ 5500 RPM) In normal driving conditions, 1977 Buick Estate should accelerate faster than 1981 BMW 525. With that said, vehicle weight also plays an important factor in acceleration. 1977 Buick Estate weights approximately 600 kg more than 1981 BMW 525. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 Estate (380 Nm @ 1800 RPM) has 165 more torque (in Nm) than 1981 BMW 525. (215 Nm @ 4000 RPM). This means 1977 Buick Estate will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 525. 1977 Buick Estate has automatic transmission and 1981 BMW 525 has manual transmission. 1981 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Buick Estate will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 525 | 1977 Buick Estate | |
| Make | BMW | Buick |
| Model | 525 | Estate |
| Year Released | 1981 | 1977 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 5735 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 153 HP |
| Engine RPM | 5500 RPM | 3400 RPM |
| Torque | 215 Nm | 380 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Bore Size | 86.1 mm | 96.5 mm |
| Engine Stroke Size | 71.6 mm | 97.8 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1280 kg | 1880 kg |
| Vehicle Length | 4780 mm | 5510 mm |
| Vehicle Width | 1810 mm | 1990 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2630 mm | 2950 mm |
