1951 Alvis TB 21 vs. 1985 Citroen CX
To start off, 1985 Citroen CX is newer by 34 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 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1985 Citroen CX (168 HP @ 5000 RPM) has 77 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1985 Citroen CX should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1985 Citroen CX (300 Nm) has 96 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1985 Citroen CX 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 | 1985 Citroen CX | |
| Make | Alvis | Citroen |
| Model | TB 21 | CX |
| Year Released | 1951 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 168 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 300 Nm |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 7.1:1 | 7.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4910 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Wheelbase Size | 2750 mm | 3100 mm |
