1952 Alvis TB 21 vs. 2010 Hummer H3
To start off, 2010 Hummer H3 is newer by 58 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 3,653 cc (5 cylinders), 2010 Hummer H3 is equipped with a bigger engine. In terms of performance, 2010 Hummer H3 (243 HP @ 5600 RPM) has 152 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2010 Hummer H3 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2010 Hummer H3 (328 Nm @ 4600 RPM) has 124 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2010 Hummer H3 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 | 2010 Hummer H3 | |
| Make | Alvis | Hummer |
| Model | TB 21 | H3 |
| Year Released | 1952 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3653 cc |
| Engine Cylinders | 6 cylinders | 5 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 243 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 204 Nm | 328 Nm |
| Torque RPM | 2200 RPM | 4600 RPM |
| Engine Bore Size | 84 mm | 95.5 mm |
| Engine Stroke Size | 90 mm | 102 mm |
| Engine Compression Ratio | 7.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4790 mm |
| Vehicle Width | 1680 mm | 1900 mm |
| Wheelbase Size | 2750 mm | 2850 mm |
