1951 Alvis TB 21 vs. 2012 Mazda 3
To start off, 2012 Mazda 3 is newer by 61 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, 2012 Mazda 3 (167 HP @ 6000 RPM) has 76 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2012 Mazda 3 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 2012 Mazda 3 (228 Nm) has 24 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 2012 Mazda 3 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 | 2012 Mazda 3 | |
| Make | Alvis | Mazda |
| Model | TB 21 | 3 |
| Year Released | 1951 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2500 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 167 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 228 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4506 mm |
| Vehicle Width | 1680 mm | 1755 mm |
| Wheelbase Size | 2750 mm | 2639 mm |
