1951 Alvis TB 21 vs. 1997 Infiniti QX4
To start off, 1997 Infiniti QX4 is newer by 46 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 3,498 cc (6 cylinders), 1997 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 1997 Infiniti QX4 (238 HP @ 6000 RPM) has 147 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1997 Infiniti QX4 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1997 Infiniti QX4 (360 Nm) has 156 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1997 Infiniti QX4 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 | 1997 Infiniti QX4 | |
| Make | Alvis | Infiniti |
| Model | TB 21 | QX4 |
| Year Released | 1951 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 238 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 360 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4660 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Wheelbase Size | 2750 mm | 2710 mm |
