1951 Alvis TB 21 vs. 2002 Porsche 996
To start off, 2002 Porsche 996 is newer by 51 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 3,596 cc (6 cylinders), 2002 Porsche 996 is equipped with a bigger engine. In terms of performance, 2002 Porsche 996 (317 HP @ 6800 RPM) has 226 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2002 Porsche 996 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2002 Porsche 996 (370 Nm) has 166 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2002 Porsche 996 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 | 2002 Porsche 996 | |
| Make | Alvis | Porsche |
| Model | TB 21 | 996 |
| Year Released | 1951 | 2002 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3596 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 317 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 204 Nm | 370 Nm |
| Engine Bore Size | 84 mm | 96 mm |
| Engine Stroke Size | 90 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4440 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
