1951 Alvis TA 21 vs. 1970 Mercury Monterey
To start off, 1970 Mercury Monterey is newer by 19 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 5,769 cc (8 cylinders), 1970 Mercury Monterey is equipped with a bigger engine. In terms of performance, 1970 Mercury Monterey (163 HP @ 3800 RPM) has 70 more horse power than 1951 Alvis TA 21. (93 HP @ 4000 RPM) In normal driving conditions, 1970 Mercury Monterey should accelerate faster than 1951 Alvis TA 21. With that said, vehicle weight also plays an important factor in acceleration. 1970 Mercury Monterey weights approximately 484 kg more than 1951 Alvis TA 21. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1970 Mercury Monterey (383 Nm @ 2000 RPM) has 179 more torque (in Nm) than 1951 Alvis TA 21. (204 Nm @ 2000 RPM). This means 1970 Mercury Monterey will have an easier job in driving up hills or pulling heavy equipment than 1951 Alvis TA 21. 1970 Mercury Monterey has automatic transmission and 1951 Alvis TA 21 has manual transmission. 1951 Alvis TA 21 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1970 Mercury Monterey will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1951 Alvis TA 21 | 1970 Mercury Monterey | |
| Make | Alvis | Mercury |
| Model | TA 21 | Monterey |
| Year Released | 1951 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 5769 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 163 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 204 Nm | 383 Nm |
| Torque RPM | 2000 RPM | 2000 RPM |
| Engine Bore Size | 84 mm | 101.6 mm |
| Engine Stroke Size | 90 mm | 88.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 1448 kg | 1932 kg |
| Vehicle Length | 4630 mm | 5720 mm |
| Vehicle Width | 1680 mm | 2030 mm |
| Vehicle Height | 1600 mm | 1380 mm |
| Wheelbase Size | 2840 mm | 3160 mm |
