1952 Alvis TB 21 vs. 1969 Opel Admiral
To start off, 1969 Opel Admiral is newer by 17 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, 1969 Opel Admiral (163 HP @ 5400 RPM) has 72 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1969 Opel Admiral should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1969 Opel Admiral (233 Nm @ 4200 RPM) has 29 more torque (in Nm) than 1952 Alvis TB 21. (204 Nm @ 2200 RPM). This means 1969 Opel Admiral 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 | 1969 Opel Admiral | |
| Make | Alvis | Opel |
| Model | TB 21 | Admiral |
| Year Released | 1952 | 1969 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2784 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 163 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 204 Nm | 233 Nm |
| Torque RPM | 2200 RPM | 4200 RPM |
| Engine Bore Size | 84 mm | 92 mm |
| Engine Stroke Size | 90 mm | 69.8 mm |
| Engine Compression Ratio | 7.1:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4910 mm |
| Vehicle Width | 1680 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 2860 mm |
