1952 Alvis TB 21 vs. 1967 Porsche 904
To start off, 1967 Porsche 904 is newer by 15 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1967 Porsche 904 (177 HP @ 7200 RPM) has 86 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1967 Porsche 904 should accelerate faster than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 1967 Porsche 904 | |
| Make | Alvis | Porsche |
| Model | TB 21 | 904 |
| Year Released | 1952 | 1967 |
| Engine Position | Front | Middle |
| Engine Size | 2992 cc | 1965 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 177 HP |
| Engine RPM | 4000 RPM | 7200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4100 mm |
| Vehicle Width | 1680 mm | 1550 mm |
| Wheelbase Size | 2750 mm | 2310 mm |
