1951 Alvis TB 21 vs. 1972 Buick Riviera
To start off, 1972 Buick Riviera is newer by 21 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 7,468 cc (6 cylinders), 1972 Buick Riviera is equipped with a bigger engine. In terms of performance, 1972 Buick Riviera (250 HP @ 4000 RPM) has 159 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1972 Buick Riviera should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1972 Buick Riviera (518 Nm) has 314 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1972 Buick Riviera 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 | 1972 Buick Riviera | |
| Make | Alvis | Buick |
| Model | TB 21 | Riviera |
| Year Released | 1951 | 1972 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 7468 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 250 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 518 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 5550 mm |
| Vehicle Width | 1680 mm | 2040 mm |
| Wheelbase Size | 2750 mm | 3110 mm |
