1951 Alvis TB 21 vs. 1969 Ferrari 365 GTB
To start off, 1969 Ferrari 365 GTB is newer by 18 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 4,390 cc (12 cylinders), 1969 Ferrari 365 GTB is equipped with a bigger engine. In terms of performance, 1969 Ferrari 365 GTB (347 HP @ 7500 RPM) has 256 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1969 Ferrari 365 GTB should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1969 Ferrari 365 GTB (431 Nm) has 227 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1969 Ferrari 365 GTB 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 | 1969 Ferrari 365 GTB | |
| Make | Alvis | Ferrari |
| Model | TB 21 | 365 GTB |
| Year Released | 1951 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4390 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 347 HP |
| Engine RPM | 4000 RPM | 7500 RPM |
| Torque | 204 Nm | 431 Nm |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 90 mm | 71 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4350 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Wheelbase Size | 2750 mm | 2410 mm |
