1951 Alvis TB 21 vs. 1988 Ford Thunderbird
To start off, 1988 Ford Thunderbird is newer by 37 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 3,797 cc (6 cylinders), 1988 Ford Thunderbird is equipped with a bigger engine. In terms of performance, 1988 Ford Thunderbird (210 HP @ 4000 RPM) has 119 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 1988 Ford Thunderbird should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1988 Ford Thunderbird (427 Nm) has 223 more torque (in Nm) than 1951 Alvis TB 21. (204 Nm). This means 1988 Ford Thunderbird 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 | 1988 Ford Thunderbird | |
| Make | Alvis | Ford |
| Model | TB 21 | Thunderbird |
| Year Released | 1951 | 1988 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3797 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 91 HP | 210 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 204 Nm | 427 Nm |
| Engine Bore Size | 84 mm | 96.8 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 7.1:1 | 8.2:1 |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 5050 mm |
| Vehicle Width | 1680 mm | 1850 mm |
| Wheelbase Size | 2750 mm | 2880 mm |
