1952 Alvis TB 21 vs. 1991 Caterham Super 7
To start off, 1991 Caterham Super 7 is newer by 39 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, 1991 Caterham Super 7 (110 HP @ 6000 RPM) has 19 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1991 Caterham Super 7 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 72 more torque (in Nm) than 1991 Caterham Super 7. (132 Nm @ 5000 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1991 Caterham Super 7.
Compare all specifications:
| 1952 Alvis TB 21 | 1991 Caterham Super 7 | |
| Make | Alvis | Caterham |
| Model | TB 21 | Super 7 |
| Year Released | 1952 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1599 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 110 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 132 Nm |
| Torque RPM | 2200 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 81 mm |
| Engine Stroke Size | 90 mm | 77.6 mm |
| Engine Compression Ratio | 7.1:1 | 9.0:1 |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 3380 mm |
| Vehicle Width | 1680 mm | 1670 mm |
| Wheelbase Size | 2750 mm | 2240 mm |
