1951 Alvis TA 21 vs. 1966 Mercury Comet
To start off, 1966 Mercury Comet is newer by 15 year(s). Which means there will be less support and parts availability for 1951 Alvis TA 21. In addition, the cost of maintenance, including insurance, on 1951 Alvis TA 21 would be higher. At 3,279 cc (6 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (118 HP @ 4400 RPM) has 25 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1951 Alvis TA 21.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1966 Mercury Comet (258 Nm @ 2400 RPM) has 54 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21.
Compare all specifications:
| 1951 Alvis TA 21 | 1966 Mercury Comet | |
| Make | Alvis | Mercury |
| Model | TA 21 | Comet |
| Year Released | 1951 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 3279 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 118 HP |
| Engine RPM | 4000 RPM | 4400 RPM |
| Torque | 204 Nm | 258 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Engine Compression Ratio | 7.1:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Length | 4630 mm | 5000 mm |
| Vehicle Width | 1680 mm | 1880 mm |
| Vehicle Height | 1600 mm | 1400 mm |
| Wheelbase Size | 2840 mm | 2950 mm |
