2009 BMW X5 vs. 1956 Buick 40
To start off, 2009 BMW X5 is newer by 53 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, 2009 BMW X5 (260 HP @ 6600 RPM) has 8 more horse power than 1956 Buick 40. (252 HP @ 4400 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 1956 Buick 40. With that said, vehicle weight also plays an important factor in acceleration. 1956 Buick 40 weights approximately 40 kg more than 2009 BMW X5.
Because 2009 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, 2009 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, 1956 Buick 40 (462 Nm @ 3200 RPM) has 157 more torque (in Nm) than 2009 BMW X5. (305 Nm @ 2750 RPM). This means 1956 Buick 40 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X5.
Compare all specifications:
| 2009 BMW X5 | 1956 Buick 40 | |
| Make | BMW | Buick |
| Model | X5 | 40 |
| Year Released | 2009 | 1956 |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 5279 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 260 HP | 252 HP |
| Engine RPM | 6600 RPM | 4400 RPM |
| Torque | 305 Nm | 462 Nm |
| Torque RPM | 2750 RPM | 3200 RPM |
| Engine Bore Size | 85.1 mm | 101.6 mm |
| Engine Stroke Size | 88 mm | 81.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1550 kg | 1590 kg |
| Vehicle Width | 1940 mm | 1950 mm |
| Wheelbase Size | 2940 mm | 3110 mm |
