1951 Alvis TA 21 vs. 2013 Porsche Cayman
To start off, 2013 Porsche Cayman is newer by 62 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 3,500 cc (4 cylinders), 2013 Porsche Cayman is equipped with a bigger engine. In terms of performance, 2013 Porsche Cayman (325 HP @ 7400 RPM) has 232 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 2013 Porsche Cayman should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1951 Alvis TA 21 weights approximately 153 kg more than 2013 Porsche Cayman.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Porsche Cayman (370 Nm @ 4750 RPM) has 166 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 2013 Porsche Cayman will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 2013 Porsche Cayman | |
| Make | Alvis | Porsche |
| Model | TA 21 | Cayman |
| Year Released | 1951 | 2013 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 93 HP | 325 HP |
| Engine RPM | 4000 RPM | 7400 RPM |
| Torque | 204 Nm | 370 Nm |
| Torque RPM | 2000 RPM | 4750 RPM |
| Engine Bore Size | 84 mm | 97 mm |
| Engine Stroke Size | 90 mm | 77 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1448 kg | 1295 kg |
| Vehicle Length | 4630 mm | 4347 mm |
| Vehicle Width | 1680 mm | 1801 mm |
| Vehicle Height | 1600 mm | 1285 mm |
| Wheelbase Size | 2840 mm | 2415 mm |
