1952 Alvis TB 21 vs. 1975 Mazda 818
To start off, 1975 Mazda 818 is newer by 23 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, 1952 Alvis TB 21 (91 HP @ 4000 RPM) has 23 more horse power than 1975 Mazda 818. (68 HP @ 6200 RPM). In normal driving conditions, 1952 Alvis TB 21 should accelerate faster than 1975 Mazda 818.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 112 more torque (in Nm) than 1975 Mazda 818. (92 Nm @ 4000 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda 818.
Compare all specifications:
| 1952 Alvis TB 21 | 1975 Mazda 818 | |
| Make | Alvis | Mazda |
| Model | TB 21 | 818 |
| Year Released | 1952 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1272 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 68 HP |
| Engine RPM | 4000 RPM | 6200 RPM |
| Torque | 204 Nm | 92 Nm |
| Torque RPM | 2200 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4100 mm |
| Vehicle Width | 1680 mm | 1600 mm |
| Wheelbase Size | 2750 mm | 2320 mm |
