1955 Alvis TC 21 vs. 1978 Fiat 131
To start off, 1978 Fiat 131 is newer by 23 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, 1955 Alvis TC 21 (105 HP @ 4000 RPM) has 30 more horse power than 1978 Fiat 131. (75 HP @ 4200 RPM). In normal driving conditions, 1955 Alvis TC 21 should accelerate faster than 1978 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1955 Alvis TC 21 weights approximately 260 kg more than 1978 Fiat 131. 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, 1955 Alvis TC 21 (221 Nm @ 2500 RPM) has 77 more torque (in Nm) than 1978 Fiat 131. (144 Nm @ 2400 RPM). This means 1955 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 1978 Fiat 131.
Compare all specifications:
| 1955 Alvis TC 21 | 1978 Fiat 131 | |
| Make | Alvis | Fiat |
| Model | TC 21 | 131 |
| Year Released | 1955 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2444 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 105 HP | 75 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 221 Nm | 144 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 8.0:1 | 22.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1450 kg | 1190 kg |
| Vehicle Length | 4810 mm | 4270 mm |
| Vehicle Width | 1680 mm | 1660 mm |
| Vehicle Height | 1590 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2500 mm |
