1951 Alvis TB 21 vs. 2002 Mazda 6
To start off, 2002 Mazda 6 is newer by 51 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, 2002 Mazda 6 (130 HP @ 6000 RPM) has 39 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2002 Mazda 6 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 16 more torque (in Nm) than 2002 Mazda 6. (188 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2002 Mazda 6.
Compare all specifications:
| 1951 Alvis TB 21 | 2002 Mazda 6 | |
| Make | Alvis | Mazda |
| Model | TB 21 | 6 |
| Year Released | 1951 | 2002 |
| 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 | 130 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 188 Nm |
| Engine Bore Size | 84 mm | 87.5 mm |
| Engine Stroke Size | 90 mm | 83.1 mm |
| Engine Compression Ratio | 7.1:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4680 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Wheelbase Size | 2750 mm | 2680 mm |
