1952 Alvis TB 21 vs. 1959 Aston Martin DB4
To start off, 1959 Aston Martin DB4 is newer by 7 year(s). Which means there will be less support and parts availability for 1952 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1952 Alvis TB 21 would be higher. At 3,670 cc (6 cylinders), 1959 Aston Martin DB4 is equipped with a bigger engine. In terms of performance, 1959 Aston Martin DB4 (314 HP @ 6000 RPM) has 223 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1959 Aston Martin DB4 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1959 Aston Martin DB4 (377 Nm @ 5400 RPM) has 173 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1959 Aston Martin DB4 will have an easier job in driving up hills or pulling heavy equipment than 1952 Alvis TB 21.
Compare all specifications:
| 1952 Alvis TB 21 | 1959 Aston Martin DB4 | |
| Make | Alvis | Aston Martin |
| Model | TB 21 | DB4 |
| Year Released | 1952 | 1959 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 3670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 314 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 377 Nm |
| Torque RPM | 2200 RPM | 5400 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 92 mm |
| Engine Compression Ratio | 7.1:1 | 9.7:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4270 mm |
| Vehicle Width | 1680 mm | 1560 mm |
| Wheelbase Size | 2750 mm | 2370 mm |
