1955 Alvis TC 21 vs. 1980 Mercury Grand Marquis
To start off, 1980 Mercury Grand Marquis is newer by 25 year(s). Which means there will be less support and parts availability for 1955 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1955 Alvis TC 21 would be higher. At 4,184 cc (8 cylinders), 1980 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1980 Mercury Grand Marquis (118 HP @ 3800 RPM) has 13 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 1980 Mercury Grand Marquis should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 1980 Mercury Grand Marquis weights approximately 230 kg more than 1955 Alvis TC 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, 1980 Mercury Grand Marquis (262 Nm @ 2200 RPM) has 41 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 1980 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1955 Alvis TC 21.
Compare all specifications:
| 1955 Alvis TC 21 | 1980 Mercury Grand Marquis | |
| Make | Alvis | Mercury |
| Model | TC 21 | Grand Marquis |
| Year Released | 1955 | 1980 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4184 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 105 HP | 118 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 221 Nm | 262 Nm |
| Torque RPM | 2500 RPM | 2200 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1680 kg |
| Vehicle Length | 4810 mm | 5400 mm |
| Vehicle Width | 1680 mm | 1980 mm |
| Vehicle Height | 1590 mm | 1390 mm |
| Wheelbase Size | 2840 mm | 2910 mm |
