1971 Ford Zephyr vs. 1992 Opel Calibra
To start off, 1992 Opel Calibra is newer by 21 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 1,998 cc (4 cylinders), 1992 Opel Calibra is equipped with a bigger engine. In terms of performance, 1992 Opel Calibra (115 HP @ 5200 RPM) has 34 more horse power than 1971 Ford Zephyr. (81 HP @ 4750 RPM) In normal driving conditions, 1992 Opel Calibra should accelerate faster than 1971 Ford Zephyr. With that said, vehicle weight also plays an important factor in acceleration. 1971 Ford Zephyr weights approximately 60 kg more than 1992 Opel Calibra.
Let's talk about torque, 1992 Opel Calibra (173 Nm @ 2600 RPM) has 20 more torque (in Nm) than 1971 Ford Zephyr. (153 Nm @ 2750 RPM). This means 1992 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1971 Ford Zephyr.
Compare all specifications:
| 1971 Ford Zephyr | 1992 Opel Calibra | |
| Make | Ford | Opel |
| Model | Zephyr | Calibra |
| Year Released | 1971 | 1992 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 115 HP |
| Engine RPM | 4750 RPM | 5200 RPM |
| Torque | 153 Nm | 173 Nm |
| Torque RPM | 2750 RPM | 2600 RPM |
| Engine Bore Size | 93.7 mm | 86 mm |
| Engine Stroke Size | 72.4 mm | 86 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1250 kg | 1190 kg |
| Vehicle Length | 4710 mm | 4500 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1490 mm | 1610 mm |
| Wheelbase Size | 2930 mm | 2610 mm |
