1952 Alvis TB 21 vs. 1994 Mazda RX-7
To start off, 1994 Mazda RX-7 is newer by 42 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, 1994 Mazda RX-7 (238 HP @ 6500 RPM) has 147 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1994 Mazda RX-7 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1994 Mazda RX-7 (296 Nm @ 5000 RPM) has 92 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1994 Mazda RX-7 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 | 1994 Mazda RX-7 | |
| Make | Alvis | Mazda |
| Model | TB 21 | RX-7 |
| Year Released | 1952 | 1994 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2616 cc |
| Engine Type | in-line | dual-disk rotary |
| Horse Power | 91 HP | 238 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 204 Nm | 296 Nm |
| Torque RPM | 2200 RPM | 5000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4300 mm |
| Vehicle Width | 1680 mm | 1760 mm |
| Wheelbase Size | 2750 mm | 2430 mm |
