1952 Alvis TB 21 vs. 2000 Rover 45
To start off, 2000 Rover 45 is newer by 48 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, 2000 Rover 45 (102 HP @ 6000 RPM) has 11 more horse power than 1952 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2000 Rover 45 should accelerate faster than 1952 Alvis TB 21.
Let's talk about torque, 1952 Alvis TB 21 (204 Nm @ 2200 RPM) has 77 more torque (in Nm) than 2000 Rover 45. (127 Nm @ 5000 RPM). This means 1952 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2000 Rover 45.
Compare all specifications:
| 1952 Alvis TB 21 | 2000 Rover 45 | |
| Make | Alvis | Rover |
| Model | TB 21 | 45 |
| Year Released | 1952 | 2000 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 1394 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 91 HP | 102 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 204 Nm | 127 Nm |
| Torque RPM | 2200 RPM | 5000 RPM |
| Engine Bore Size | 84 mm | 75 mm |
| Engine Stroke Size | 90 mm | 79 mm |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4370 mm |
| Vehicle Width | 1680 mm | 1700 mm |
| Wheelbase Size | 2750 mm | 2630 mm |
