1954 Alvis TC 21 vs. 1966 Fiat 850
To start off, 1966 Fiat 850 is newer by 12 year(s). Which means there will be less support and parts availability for 1954 Alvis TC 21. In addition, the cost of maintenance, including insurance, on 1954 Alvis TC 21 would be higher. At 2,993 cc (6 cylinders), 1954 Alvis TC 21 is equipped with a bigger engine. In terms of performance, 1954 Alvis TC 21 (100 HP @ 4000 RPM) has 59 more horse power than 1966 Fiat 850. (41 HP @ 5300 RPM). In normal driving conditions, 1954 Alvis TC 21 should accelerate faster than 1966 Fiat 850. With that said, vehicle weight also plays an important factor in acceleration. 1954 Alvis TC 21 weights approximately 714 kg more than 1966 Fiat 850. 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, 1954 Alvis TC 21 (221 Nm @ 2000 RPM) has 161 more torque (in Nm) than 1966 Fiat 850. (60 Nm @ 3600 RPM). This means 1954 Alvis TC 21 will have an easier job in driving up hills or pulling heavy equipment than 1966 Fiat 850.
Compare all specifications:
| 1954 Alvis TC 21 | 1966 Fiat 850 | |
| Make | Alvis | Fiat |
| Model | TC 21 | 850 |
| Year Released | 1954 | 1966 |
| Engine Position | Front | Rear |
| Engine Size | 2993 cc | 843 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 100 HP | 41 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 221 Nm | 60 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Engine Compression Ratio | 8.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1440 kg | 726 kg |
| Vehicle Length | 4630 mm | 3610 mm |
| Vehicle Width | 1680 mm | 1510 mm |
| Vehicle Height | 1580 mm | 1310 mm |
| Wheelbase Size | 2840 mm | 2010 mm |
| Fuel Tank Capacity | 64 L | 30 L |
