1950 Alvis TB 21 vs. 2007 Porsche 911
To start off, 2007 Porsche 911 is newer by 57 year(s). Which means there will be less support and parts availability for 1950 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1950 Alvis TB 21 would be higher. At 3,595 cc (6 cylinders), 2007 Porsche 911 is equipped with a bigger engine. In terms of performance, 2007 Porsche 911 (316 HP @ 4250 RPM) has 225 more horse power than 1950 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2007 Porsche 911 should accelerate faster than 1950 Alvis TB 21.
Let's talk about torque, 2007 Porsche 911 (370 Nm) has 166 more torque (in Nm) than 1950 Alvis TB 21. (204 Nm). This means 2007 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1950 Alvis TB 21.
Compare all specifications:
| 1950 Alvis TB 21 | 2007 Porsche 911 | |
| Make | Alvis | Porsche |
| Model | TB 21 | 911 |
| Year Released | 1950 | 2007 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 3595 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 316 HP |
| Engine RPM | 4000 RPM | 4250 RPM |
| Torque | 204 Nm | 370 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4440 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
| Fuel Tank Capacity | 64 L | 64 L |
