1951 Alvis TB 21 vs. 1997 Buick Riviera
To start off, 1997 Buick Riviera is newer by 46 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 3,791 cc (6 cylinders), 1997 Buick Riviera is equipped with a bigger engine. In terms of performance, 1997 Buick Riviera (202 HP @ 5200 RPM) has 111 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1997 Buick Riviera should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1997 Buick Riviera (312 Nm) has 108 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1997 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 | 1997 Buick Riviera | |
| Make | Alvis | Buick |
| Model | TB 21 | Riviera |
| Year Released | 1951 | 1997 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3791 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 91 HP | 202 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 204 Nm | 312 Nm |
| Engine Compression Ratio | 7.1:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 5270 mm |
| Vehicle Width | 1680 mm | 1910 mm |
