1951 Alvis TB 21 vs. 1999 Ferrari F399
To start off, 1999 Ferrari F399 is newer by 48 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 2,997 cc (10 cylinders), 1999 Ferrari F399 is equipped with a bigger engine. In terms of performance, 1999 Ferrari F399 (750 HP @ 8250 RPM) has 659 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1999 Ferrari F399 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1999 Ferrari F399 (373 Nm) has 169 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1999 Ferrari F399 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 | 1999 Ferrari F399 | |
| Make | Alvis | Ferrari |
| Model | TB 21 | F399 |
| Year Released | 1951 | 1999 |
| Engine Position | Front | Middle |
| Engine Size | 2993 cc | 2997 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 750 HP |
| Engine RPM | 4000 RPM | 8250 RPM |
| Torque | 204 Nm | 373 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 1 seats |
| Vehicle Length | 4430 mm | 4390 mm |
| Vehicle Width | 1680 mm | 1800 mm |
| Wheelbase Size | 2750 mm | 3010 mm |
