1951 Alvis TB 21 vs. 2012 Porsche Cayman
To start off, 2012 Porsche Cayman is newer by 61 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 3,400 cc (6 cylinders), 2012 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2012 Porsche Cayman (320 HP @ 7200 RPM) has 229 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2012 Porsche Cayman should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2012 Porsche Cayman (370 Nm) has 166 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2012 Porsche Cayman 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 | 2012 Porsche Cayman | |
| Make | Alvis | Porsche |
| Model | TB 21 | Cayman |
| Year Released | 1951 | 2012 |
| Engine Position | Front | Middle |
| Engine Size | 2993 cc | 3400 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 320 HP |
| Engine RPM | 4000 RPM | 7200 RPM |
| Torque | 204 Nm | 370 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4376 mm |
| Vehicle Width | 1680 mm | 1801 mm |
| Wheelbase Size | 2750 mm | 2416 mm |
