1987 Ford Sierra vs. 1966 Ford Zephyr
To start off, 1987 Ford Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1966 Ford Zephyr. In addition, the cost of maintenance, including insurance, on 1966 Ford Zephyr would be higher. At 2,553 cc (6 cylinders), 1966 Ford Zephyr is equipped with a bigger engine. In terms of performance, 1966 Ford Zephyr (113 HP @ 4750 RPM) has 47 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 1966 Ford Zephyr should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1966 Ford Zephyr weights approximately 130 kg more than 1987 Ford Sierra. 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, 1966 Ford Zephyr (198 Nm @ 3000 RPM) has 56 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 1966 Ford Zephyr will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1966 Ford Zephyr | |
| Make | Ford | Ford |
| Model | Sierra | Zephyr |
| Year Released | 1987 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 2553 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 113 HP |
| Engine RPM | 4200 RPM | 4750 RPM |
| Torque | 142 Nm | 198 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1170 kg | 1300 kg |
| Vehicle Length | 4430 mm | 4710 mm |
| Vehicle Width | 1700 mm | 1820 mm |
| Vehicle Height | 1370 mm | 1490 mm |
| Wheelbase Size | 2620 mm | 2940 mm |
