1951 Alvis TB 21 vs. 2001 Mercury Cougar
To start off, 2001 Mercury Cougar is newer by 50 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, 2001 Mercury Cougar (123 HP @ 5500 RPM) has 32 more horse power than 1951 Alvis TB 21. (91 HP @ 4000 RPM) In normal driving conditions, 2001 Mercury Cougar should accelerate faster than 1951 Alvis TB 21.
Let's talk about torque, 1951 Alvis TB 21 (204 Nm) has 28 more torque (in Nm) than 2001 Mercury Cougar. (176 Nm). This means 1951 Alvis TB 21 will have an easier job in driving up hills or pulling heavy equipment than 2001 Mercury Cougar.
Compare all specifications:
| 1951 Alvis TB 21 | 2001 Mercury Cougar | |
| Make | Alvis | Mercury |
| Model | TB 21 | Cougar |
| Year Released | 1951 | 2001 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1983 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 91 HP | 123 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 204 Nm | 176 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Length | 4430 mm | 4710 mm |
| Vehicle Width | 1680 mm | 1770 mm |
| Wheelbase Size | 2750 mm | 2710 mm |
