1951 Alvis TB 21 vs. 2001 Mazda MX-5 Miata
To start off, 2001 Mazda MX-5 Miata is newer by 50 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, 2001 Mazda MX-5 Miata (134 HP @ 6500 RPM) has 43 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2001 Mazda MX-5 Miata should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 41 more torque (in Nm) than 2001 Mazda MX-5 Miata. (163 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2001 Mazda MX-5 Miata.
Compare all specifications:
| 1951 Alvis TB 21 | 2001 Mazda MX-5 Miata | |
| Make | Alvis | Mazda |
| Model | TB 21 | MX-5 Miata |
| Year Released | 1951 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1840 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 134 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 204 Nm | 163 Nm |
| Engine Bore Size | 84 mm | 83 mm |
| Engine Stroke Size | 90 mm | 85 mm |
| Engine Compression Ratio | 7.1:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 3980 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Wheelbase Size | 2750 mm | 2270 mm |
