1950 Alvis TB 21 vs. 2006 Infiniti QX56
To start off, 2006 Infiniti QX56 is newer by 56 year(s). Which means there will be less support and parts availability for 1950 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TB 21 would be higher. At 5,555 cc (8 cylinders), 2006 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2006 Infiniti QX56 (315 HP @ 4900 RPM) has 224 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2006 Infiniti QX56 should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 2006 Infiniti QX56 (529 Nm) has 325 more torque (in Nm) than 1950 Alvis TB 21. (204 Nm). This means 2006 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TB 21.
Compare all specifications:
| 1950 Alvis TB 21 | 2006 Infiniti QX56 | |
| Make | Alvis | Infiniti |
| Model | TB 21 | QX56 |
| Year Released | 1950 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5555 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 315 HP |
| Engine RPM | 4000 RPM | 4900 RPM |
| Torque | 204 Nm | 529 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 5260 mm |
| Vehicle Width | 1680 mm | 2010 mm |
| Wheelbase Size | 2750 mm | 3140 mm |
| Fuel Tank Capacity | 64 L | 106 L |
