1952 Alvis TB 21 vs. 2008 Hummer H3
To start off, 2008 Hummer H3 is newer by 56 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 5,328 cc (8 cylinders), 2008 Hummer H3 is equipped with a bigger engine. In terms of performance, 2008 Hummer H3 (300 HP @ 5200 RPM) has 209 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2008 Hummer H3 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2008 Hummer H3 (434 Nm @ 4000 RPM) has 230 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2008 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 | 2008 Hummer H3 | |
| Make | Alvis | Hummer |
| Model | TB 21 | H3 |
| Year Released | 1952 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 5328 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 300 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 434 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Engine Compression Ratio | 7.1:1 | 9.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4750 mm |
| Vehicle Width | 1680 mm | 2180 mm |
| Wheelbase Size | 2750 mm | 2850 mm |
