2005 BMW X5 vs. 1979 Buick Estate
To start off, 2005 BMW X5 is newer by 26 year(s). Which means there will be less support and parts availability for 1979 Buick Estate. In addition, the cost of maintenance, including insurance, on 1979 Buick Estate would be higher. At 4,942 cc (8 cylinders), 1979 Buick Estate is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 77 more horse power than 1979 Buick Estate. (138 HP @ 3600 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1979 Buick Estate. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 300 kg more than 1979 Buick Estate. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Buick Estate. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 202 more torque (in Nm) than 1979 Buick Estate. (318 Nm @ 2000 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1979 Buick Estate. 1979 Buick Estate has automatic transmission and 2005 BMW X5 has manual transmission. 2005 BMW X5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1979 Buick Estate will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW X5 | 1979 Buick Estate | |
| Make | BMW | Buick |
| Model | X5 | Estate |
| Year Released | 2005 | 1979 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 215 HP | 138 HP |
| Engine RPM | 4000 RPM | 3600 RPM |
| Torque | 520 Nm | 318 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 76.2 mm |
| Engine Compression Ratio | 18.0:1 | 8.0:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2170 kg | 1870 kg |
| Vehicle Length | 4670 mm | 5510 mm |
| Vehicle Width | 1880 mm | 1990 mm |
| Vehicle Height | 1720 mm | 1440 mm |
| Wheelbase Size | 2830 mm | 2950 mm |
