1952 Alvis TB 21 vs. 2010 Mazda Premacy
To start off, 2010 Mazda Premacy is newer by 58 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, 2010 Mazda Premacy (99 HP @ 4000 RPM) has 8 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2010 Mazda Premacy should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 2010 Mazda Premacy (230 Nm @ 2000 RPM) has 26 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 2010 Mazda Premacy 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 | 2010 Mazda Premacy | |
| Make | Alvis | Mazda |
| Model | TB 21 | Premacy |
| Year Released | 1952 | 2010 |
| Engine Position | Front | Front |
| Engine Size | 2992 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 | 99 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 230 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 7.1:1 | 18.8:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4350 mm |
| Vehicle Width | 1680 mm | 1710 mm |
| Wheelbase Size | 2750 mm | 2680 mm |
