2005 BMW X5 vs. 1949 Bristol 401
To start off, 2005 BMW X5 is newer by 56 year(s). Which means there will be less support and parts availability for 1949 Bristol 401. In addition, the cost of maintenance, including insurance, on 1949 Bristol 401 would be higher. At 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 143 more horse power than 1949 Bristol 401. (72 HP @ 4500 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1949 Bristol 401. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 945 kg more than 1949 Bristol 401. 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 1949 Bristol 401. 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 375 more torque (in Nm) than 1949 Bristol 401. (145 Nm @ 3500 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1949 Bristol 401.
Compare all specifications:
| 2005 BMW X5 | 1949 Bristol 401 | |
| Make | BMW | Bristol |
| Model | X5 | 401 |
| Year Released | 2005 | 1949 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 1971 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 72 HP |
| Engine RPM | 4000 RPM | 4500 RPM |
| Torque | 520 Nm | 145 Nm |
| Torque RPM | 2000 RPM | 3500 RPM |
| Engine Bore Size | 84 mm | 66 mm |
| Engine Stroke Size | 90 mm | 96 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 2170 kg | 1225 kg |
| Vehicle Length | 4670 mm | 4870 mm |
| Vehicle Width | 1880 mm | 1710 mm |
| Vehicle Height | 1720 mm | 1530 mm |
| Wheelbase Size | 2830 mm | 2900 mm |
