1951 Alvis TB 21 vs. 1998 Rover 75
To start off, 1998 Rover 75 is newer by 47 year(s). Which means there will be less support and parts availability for 1951 Alvis TB 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TB 21 would be higher. At 2,993 cc (6 cylinders), 1951 Alvis TB 21 is equipped with a bigger engine. In terms of performance, 1998 Rover 75 (111 HP @ 4000 RPM) has 20 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1998 Rover 75 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1998 Rover 75 (260 Nm) has 56 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1998 Rover 75 will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TB 21.
Compare all specifications:
| 1951 Alvis TB 21 | 1998 Rover 75 | |
| Make | Alvis | Rover |
| Model | TB 21 | 75 |
| Year Released | 1951 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 111 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 260 Nm |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 88 mm |
| Engine Compression Ratio | 7.1:1 | 19.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4750 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Wheelbase Size | 2750 mm | 2750 mm |
