1952 Alvis TB 21 vs. 2011 BMW X5
To start off, 2011 BMW X5 is newer by 59 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 3,000 cc (6 cylinders), 2011 BMW X5 is equipped with a bigger engine. In terms of performance, 2011 BMW X5 (300 HP @ 5800 RPM) has 209 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2011 BMW X5 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2011 BMW X5 (406 Nm @ 1200 RPM) has 202 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2011 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 2011 BMW X5 | |
| Make | Alvis | BMW |
| Model | TB 21 | X5 |
| Year Released | 1952 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 300 HP |
| Engine RPM | 4000 RPM | 5800 RPM |
| Torque | 204 Nm | 406 Nm |
| Torque RPM | 2200 RPM | 1200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4857 mm |
| Vehicle Width | 1680 mm | 1933 mm |
| Wheelbase Size | 2750 mm | 2934 mm |
