1951 Alvis TB 21 vs. 2006 BMW X5
To start off, 2006 BMW X5 is newer by 55 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (225 HP @ 5900 RPM) has 134 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2006 BMW X5 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2006 BMW X5 (290 Nm) has 86 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
1951 Alvis TB 21 | 2006 BMW X5 | |
Make | Alvis | BMW |
Model | TB 21 | X5 |
Year Released | 1951 | 2006 |
Engine Position | Front | Front |
Engine Size | 2993 cc | 2981 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 91 HP | 225 HP |
Engine RPM | 4000 RPM | 5900 RPM |
Torque | 204 Nm | 290 Nm |
Engine Bore Size | 84 mm | 84 mm |
Engine Stroke Size | 90 mm | 89.6 mm |
Engine Compression Ratio | 7.1:1 | 10.2:1 |
Number of Seats | 5 seats | 5 seats |
Vehicle Length | 4430 mm | 4670 mm |
Vehicle Width | 1680 mm | 1880 mm |
Wheelbase Size | 2750 mm | 2830 mm |