1952 Alvis TB 21 vs. 1968 Opel Kadett
To start off, 1968 Opel Kadett is newer by 16 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 47 more horse power than 1968 Opel Kadett. (44 HP @ 5000 RPM). In normal driving conditions, 1952 Alvis TB 21 should accelerate faster than 1968 Opel Kadett.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 128 more torque (in Nm) than 1968 Opel Kadett. (76 Nm @ 2800 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1968 Opel Kadett.
Compare all specifications:
| 1952 Alvis TB 21 | 1968 Opel Kadett | |
| Make | Alvis | Opel |
| Model | TB 21 | Kadett |
| Year Released | 1952 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1078 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 44 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 204 Nm | 76 Nm |
| Torque RPM | 2200 RPM | 2800 RPM |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Length | 4430 mm | 4190 mm |
| Vehicle Width | 1680 mm | 1580 mm |
| Wheelbase Size | 2750 mm | 2420 mm |
