1952 Alvis TB 21 vs. 2007 Mazda 6
To start off, 2007 Mazda 6 is newer by 55 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 2,992 cc (6 cylinders), 1952 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (139 HP @ 6000 RPM) has 48 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2007 Mazda 6 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 23 more torque (in Nm) than 2007 Mazda 6. (181 Nm @ 4500 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2007 Mazda 6.
Compare all specifications:
| 1952 Alvis TB 21 | 2007 Mazda 6 | |
| Make | Alvis | Mazda |
| Model | TB 21 | 6 |
| Year Released | 1952 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1999 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 139 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 181 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 87.6 mm |
| Engine Stroke Size | 90 mm | 83.1 mm |
| Engine Compression Ratio | 7.1:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4690 mm |
| Vehicle Width | 1680 mm | 1790 mm |
| Wheelbase Size | 2750 mm | 2680 mm |
