1951 Alvis TB 21 vs. 2000 Aston Martin DB7
To start off, 2000 Aston Martin DB7 is newer by 49 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), 2000 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2000 Aston Martin DB7 (414 HP @ 6000 RPM) has 323 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2000 Aston Martin DB7 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2000 Aston Martin DB7 (570 Nm) has 366 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2000 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 | 2000 Aston Martin DB7 | |
| Make | Alvis | Aston Martin |
| Model | TB 21 | DB7 |
| Year Released | 1951 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 414 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 570 Nm |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 90 mm | 79.5 mm |
| Engine Compression Ratio | 7.1:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4720 mm |
| Vehicle Width | 1680 mm | 1830 mm |
| Wheelbase Size | 2750 mm | 2600 mm |
