1951 Alvis TB 21 vs. 1984 Rover 3500
To start off, 1984 Rover 3500 is newer by 33 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 3,532 cc (8 cylinders), 1984 Rover 3500 is equipped with a bigger engine. In terms of performance, 1984 Rover 3500 (187 HP @ 5280 RPM) has 96 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1984 Rover 3500 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1984 Rover 3500 (298 Nm) has 94 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1984 Rover 3500 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 | 1984 Rover 3500 | |
| Make | Alvis | Rover |
| Model | TB 21 | 3500 |
| Year Released | 1951 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3532 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 187 HP |
| Engine RPM | 4000 RPM | 5280 RPM |
| Torque | 204 Nm | 298 Nm |
| Engine Bore Size | 84 mm | 88.9 mm |
| Engine Stroke Size | 90 mm | 71.1 mm |
| Engine Compression Ratio | 7.1:1 | 9.7:1 |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Length | 4430 mm | 4730 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Wheelbase Size | 2750 mm | 2820 mm |
