2005 BMW X5 vs. 1956 Buick 40
To start off, 2005 BMW X5 is newer by 49 year(s). Which means there will be less support and parts availability for 1956 Buick 40. In addition, the cost of maintenance, including insurance, on 1956 Buick 40 would be higher. At 5,279 cc (8 cylinders), 1956 Buick 40 is equipped with a bigger engine. In terms of performance, 1956 Buick 40 (252 HP @ 4400 RPM) has 37 more horse power than 2005 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 1956 Buick 40 should accelerate faster than 2005 BMW X5. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 580 kg more than 1956 Buick 40.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1956 Buick 40. 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 58 more torque (in Nm) than 1956 Buick 40. (462 Nm @ 3200 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1956 Buick 40.
Compare all specifications:
| 2005 BMW X5 | 1956 Buick 40 | |
| Make | BMW | Buick |
| Model | X5 | 40 |
| Year Released | 2005 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 5279 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 252 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 520 Nm | 462 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 81.4 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2170 kg | 1590 kg |
| Vehicle Width | 1880 mm | 1950 mm |
| Wheelbase Size | 2830 mm | 3110 mm |
