1951 Alvis TB 21 vs. 1979 Triumph TR7
To start off, 1979 Triumph TR7 is newer by 28 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, 1979 Triumph TR7 (104 HP @ 5500 RPM) has 13 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1979 Triumph TR7 should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 43 more torque (in Nm) than 1979 Triumph TR7. (161 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 1979 Triumph TR7.
Compare all specifications:
| 1951 Alvis TB 21 | 1979 Triumph TR7 | |
| Make | Alvis | Triumph |
| Model | TB 21 | TR7 |
| Year Released | 1951 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 104 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 161 Nm |
| Engine Bore Size | 84 mm | 90.3 mm |
| Engine Stroke Size | 90 mm | 78 mm |
| Engine Compression Ratio | 7.1:1 | 9.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4430 mm | 4070 mm |
| Vehicle Width | 1680 mm | 1690 mm |
| Wheelbase Size | 2750 mm | 2170 mm |
