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 2,304 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 1966 Fiat OT (75 HP @ 6000 RPM) has 9 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 1966 Fiat OT should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1984 Ford Sierra weights approximately 480 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, 1984 Ford Sierra (140 Nm) has 6 more torque (in Nm) than 1966 Fiat OT. (134 Nm). This means 1984 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1966 Fiat OT.
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 | 2304 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 66 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 134 Nm | 140 Nm |
| Engine Bore Size | 75.5 mm | 94 mm |
| Engine Stroke Size | 71.5 mm | 83 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 755 kg | 1235 kg |
| Vehicle Length | 3610 mm | 4510 mm |
| Vehicle Width | 1510 mm | 1740 mm |
| Vehicle Height | 1310 mm | 1450 mm |
| Wheelbase Size | 2030 mm | 2620 mm |
| Fuel Tank Capacity | 37 L | 60 L |
