1952 Alvis TB 21 vs. 1967 Opel Kadett
To start off, 1967 Opel Kadett is newer by 15 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 16 more horse power than 1967 Opel Kadett. (75 HP @ 5200 RPM). In normal driving conditions, 1952 Alvis TB 21 should accelerate faster than 1967 Opel Kadett.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 77 more torque (in Nm) than 1967 Opel Kadett. (127 Nm @ 2700 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1967 Opel Kadett.
Compare all specifications:
| 1952 Alvis TB 21 | 1967 Opel Kadett | |
| Make | Alvis | Opel |
| Model | TB 21 | Kadett |
| Year Released | 1952 | 1967 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1698 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 75 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 127 Nm |
| Torque RPM | 2200 RPM | 2700 RPM |
| Engine Bore Size | 84 mm | 88 mm |
| Engine Stroke Size | 90 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4190 mm |
| Vehicle Width | 1680 mm | 1580 mm |
| Wheelbase Size | 2750 mm | 2420 mm |
