1981 Buick Estate vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 30 year(s). Which means there will be less support and parts availability for 1981 Buick Estate. In addition, the cost of maintenance, including insurance, on 1981 Buick Estate would be higher. At 5,735 cc (8 cylinders), 1981 Buick Estate is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (300 HP @ 5800 RPM) has 147 more horse power than 1981 Buick Estate. (153 HP @ 3400 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 1981 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 2011 BMW X5 weights approximately 370 kg more than 1981 Buick Estate. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 BMW X5 is all wheel drive (AWD), it will have significant more traction and grip than 1981 Buick Estate. In wet, icy, snow, or gravel driving conditions, 2011 BMW X5 will offer significantly more control. 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, 2011 BMW X5 (406 Nm @ 1200 RPM) has 26 more torque (in Nm) than 1981 Buick Estate. (380 Nm @ 1800 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Buick Estate.
Compare all specifications:
| 1981 Buick Estate | 2011 BMW X5 | |
| Make | Buick | BMW |
| Model | Estate | X5 |
| Year Released | 1981 | 2011 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 5735 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 153 HP | 300 HP |
| Engine RPM | 3400 RPM | 5800 RPM |
| Torque | 380 Nm | 406 Nm |
| Torque RPM | 1800 RPM | 1200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1880 kg | 2250 kg |
| Vehicle Length | 5510 mm | 4857 mm |
| Vehicle Width | 1990 mm | 1933 mm |
| Vehicle Height | 1440 mm | 1776 mm |
| Wheelbase Size | 2950 mm | 2934 mm |
