1951 Alvis TB 21 vs. 2011 Infiniti FX
To start off, 2011 Infiniti FX is newer by 60 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. Both 1951 Alvis TB 21 and 2011 Infiniti FX are equipped with a 2,993 cc engine. In terms of performance, 2011 Infiniti FX (235 HP @ 3750 RPM) has 144 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2011 Infiniti FX should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2011 Infiniti FX (550 Nm) has 346 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2011 Infiniti FX 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 | 2011 Infiniti FX | |
| Make | Alvis | Infiniti |
| Model | TB 21 | FX |
| Year Released | 1951 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2993 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 235 HP |
| Engine RPM | 4000 RPM | 3750 RPM |
| Torque | 204 Nm | 550 Nm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4865 mm |
| Vehicle Width | 1680 mm | 1925 mm |
| Wheelbase Size | 2750 mm | 2885 mm |
