1951 Alvis TB 21 vs. 2013 Mazda 3
To start off, 2013 Mazda 3 is newer by 62 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 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2013 Mazda 3 (155 HP @ 6000 RPM) has 64 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2013 Mazda 3 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 4 more torque (in Nm) than 2013 Mazda 3. (200 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2013 Mazda 3.
Compare all specifications:
| 1951 Alvis TB 21 | 2013 Mazda 3 | |
| Make | Alvis | Mazda |
| Model | TB 21 | 3 |
| Year Released | 1951 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 155 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 200 Nm |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 91 mm |
| Engine Compression Ratio | 7.1:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4595 mm |
| Vehicle Width | 1680 mm | 1755 mm |
| Wheelbase Size | 2750 mm | 2640 mm |
