1951 Alvis TB 21 vs. 1959 Ferrari 250 Testarossa
To start off, 1959 Ferrari 250 Testarossa is newer by 8 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, 1959 Ferrari 250 Testarossa (296 HP @ 7200 RPM) has 205 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1959 Ferrari 250 Testarossa should accelerate faster than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1959 Ferrari 250 Testarossa | |
| Make | Alvis | Ferrari |
| Model | TB 21 | 250 Testarossa |
| Year Released | 1951 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2953 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 296 HP |
| Engine RPM | 4000 RPM | 7200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4180 mm |
| Vehicle Width | 1680 mm | 1560 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
