1987 Ford Sierra vs. 1971 Ford Zephyr
To start off, 1987 Ford Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1971 Ford Zephyr. In addition, the cost of maintenance, including insurance, on 1971 Ford Zephyr would be higher. At 2,303 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1971 Ford Zephyr (81 HP @ 4750 RPM) has 15 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 1971 Ford Zephyr should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1971 Ford Zephyr weights approximately 45 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, 1971 Ford Zephyr (153 Nm @ 2750 RPM) has 11 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 1971 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 | 1971 Ford Zephyr | |
| Make | Ford | Ford |
| Model | Sierra | Zephyr |
| Year Released | 1987 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 1996 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 81 HP |
| Engine RPM | 4200 RPM | 4750 RPM |
| Torque | 142 Nm | 153 Nm |
| Torque RPM | 2000 RPM | 2750 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1205 kg | 1250 kg |
| Vehicle Length | 4500 mm | 4710 mm |
| Vehicle Width | 1680 mm | 1820 mm |
| Vehicle Height | 1400 mm | 1490 mm |
| Wheelbase Size | 2620 mm | 2930 mm |
