1961 Ford Prefect vs. 1991 Opel Calibra
To start off, 1991 Opel Calibra is newer by 30 year(s). Which means there will be less support and parts availability for 1961 Ford Prefect. In addition, the cost of maintenance, including insurance, on 1961 Ford Prefect would be higher. At 1,998 cc (4 cylinders), 1991 Opel Calibra is equipped with a bigger engine. In terms of performance, 1991 Opel Calibra (201 HP @ 5600 RPM) has 166 more horse power than 1961 Ford Prefect. (35 HP @ 5000 RPM) In normal driving conditions, 1991 Opel Calibra should accelerate faster than 1961 Ford Prefect. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Calibra weights approximately 645 kg more than 1961 Ford Prefect. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Opel Calibra is four wheel drive (4WD), it will have significant more traction and grip than 1961 Ford Prefect. In wet, icy, snow, or gravel driving conditions, 1991 Opel Calibra will offer significantly more control. 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, 1991 Opel Calibra (280 Nm @ 2400 RPM) has 209 more torque (in Nm) than 1961 Ford Prefect. (71 Nm @ 2700 RPM). This means 1991 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1961 Ford Prefect.
Compare all specifications:
| 1961 Ford Prefect | 1991 Opel Calibra | |
| Make | Ford | Opel |
| Model | Prefect | Calibra |
| Year Released | 1961 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 997 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 35 HP | 201 HP |
| Engine RPM | 5000 RPM | 5600 RPM |
| Torque | 71 Nm | 280 Nm |
| Torque RPM | 2700 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 778 kg | 1423 kg |
| Vehicle Length | 3810 mm | 4500 mm |
| Vehicle Width | 1550 mm | 1700 mm |
| Vehicle Height | 1650 mm | 1610 mm |
| Wheelbase Size | 2220 mm | 2450 mm |
| Fuel Tank Capacity | 54 L | 40 L |
