2006 BMW X5 vs. 1951 Buick 40
To start off, 2006 BMW X5 is newer by 55 year(s). Which means there will be less support and parts availability for 1951 Buick 40. In addition, the cost of maintenance, including insurance, on 1951 Buick 40 would be higher. At 4,799 cc (8 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (355 HP @ 6200 RPM) has 236 more horse power than 1951 Buick 40. (119 HP @ 3600 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1951 Buick 40. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 567 kg more than 1951 Buick 40. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Buick 40. In wet, icy, snow, or gravel driving conditions, 2006 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, 2006 BMW X5 (490 Nm @ 3600 RPM) has 198 more torque (in Nm) than 1951 Buick 40. (292 Nm @ 2000 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1951 Buick 40.
Compare all specifications:
| 2006 BMW X5 | 1951 Buick 40 | |
| Make | BMW | Buick |
| Model | X5 | 40 |
| Year Released | 2006 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 4066 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 355 HP | 119 HP |
| Engine RPM | 6200 RPM | 3600 RPM |
| Torque | 490 Nm | 292 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 93 mm | 78.5 mm |
| Engine Stroke Size | 88.3 mm | 104.8 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2202 kg | 1635 kg |
| Vehicle Width | 1880 mm | 1950 mm |
| Wheelbase Size | 2830 mm | 3090 mm |
