1955 Alvis TC 21 vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 31 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 2,993 cc (6 cylinders), 1955 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (202 HP @ 6000 RPM) has 97 more horse power than 1955 Alvis TC 21. (105 HP @ 4000 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1955 Alvis TC 21. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 270 kg more than 1986 Ford Sierra.
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, 1986 Ford Sierra (277 Nm @ 4500 RPM) has 56 more torque (in Nm) than 1955 Alvis TC 21. (221 Nm @ 2500 RPM). This means 1986 Ford Sierra 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 | 1986 Ford Sierra | |
| Make | Alvis | Ford |
| Model | TC 21 | Sierra |
| Year Released | 1955 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 105 HP | 202 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 221 Nm | 277 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Engine Bore Size | 84 mm | 90.8 mm |
| Engine Stroke Size | 90 mm | 77 mm |
| Engine Compression Ratio | 8.0:1 | 8.0:1 |
| Top Speed | 164 km/hour | 230 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1450 kg | 1180 kg |
| Vehicle Length | 4810 mm | 4430 mm |
| Vehicle Width | 1680 mm | 1730 mm |
| Vehicle Height | 1590 mm | 1430 mm |
| Wheelbase Size | 2840 mm | 2610 mm |
