2009 BMW X5 vs. 1951 Bristol 450
To start off, 2009 BMW X5 is newer by 58 year(s). Which means there will be less support and parts availability for 1951 Bristol 450. In addition, the cost of maintenance, including insurance, on 1951 Bristol 450 would be higher. At 2,993 cc (6 cylinders), 2009 BMW X5 is equipped with a bigger engine. In terms of performance, 2009 BMW X5 (232 HP @ 4000 RPM) has 79 more horse power than 1951 Bristol 450. (153 HP @ 5500 RPM). In normal driving conditions, 2009 BMW X5 should accelerate faster than 1951 Bristol 450. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X5 weights approximately 1420 kg more than 1951 Bristol 450. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1951 Bristol 450. 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.
Compare all specifications:
| 2009 BMW X5 | 1951 Bristol 450 | |
| Make | BMW | Bristol |
| Model | X5 | 450 |
| Year Released | 2009 | 1951 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 232 HP | 153 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Engine Bore Size | 84 mm | 66 mm |
| Engine Stroke Size | 90 mm | 96 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 2150 kg | 730 kg |
| Vehicle Length | 4860 mm | 4480 mm |
| Vehicle Width | 1940 mm | 1660 mm |
| Vehicle Height | 1740 mm | 1530 mm |
| Wheelbase Size | 2940 mm | 2480 mm |
| Fuel Tank Capacity | 85 L | 54 L |
