1966 Fiat OT vs. 1984 Ford Sierra
To start off, 1984 Ford Sierra is newer by 18 year(s). Which means there will be less support and parts availability for 1966 Fiat OT. In addition, the cost of maintenance, including insurance, on 1966 Fiat OT would be higher. At 1,593 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, both vehicles can yield 75 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 285 kg more than 1966 Fiat OT.
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, 1966 Fiat OT (134 Nm) has 11 more torque (in Nm) than 1984 Ford Sierra. (123 Nm). This means 1966 Fiat OT will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1966 Fiat OT | 1984 Ford Sierra | |
| Make | Fiat | Ford |
| Model | OT | Sierra |
| Year Released | 1966 | 1984 |
| Engine Position | Rear | Front |
| Engine Size | 1280 cc | 1593 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 75 HP |
| Engine RPM | 6000 RPM | 4800 RPM |
| Torque | 134 Nm | 123 Nm |
| Engine Bore Size | 75.5 mm | 87.7 mm |
| Engine Stroke Size | 71.5 mm | 66 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Top Speed | 170 km/hour | 166 km/hour |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 755 kg | 1040 kg |
| Vehicle Length | 3610 mm | 4430 mm |
| Vehicle Width | 1510 mm | 1730 mm |
| Vehicle Height | 1310 mm | 1370 mm |
| Wheelbase Size | 2030 mm | 2610 mm |
| Fuel Tank Capacity | 37 L | 60 L |
