1951 Alvis TB 21 vs. 2003 Aston Martin DB7
To start off, 2003 Aston Martin DB7 is newer by 52 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 5,935 cc (12 cylinders), 2003 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2003 Aston Martin DB7 (435 HP @ 6000 RPM) has 344 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2003 Aston Martin DB7 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2003 Aston Martin DB7 (540 Nm) has 336 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2003 Aston Martin DB7 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 | 2003 Aston Martin DB7 | |
| Make | Alvis | Aston Martin |
| Model | TB 21 | DB7 |
| Year Released | 1951 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 435 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 540 Nm |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4490 mm |
| Vehicle Width | 1680 mm | 1870 mm |
| Wheelbase Size | 2750 mm | 2540 mm |
