1957 AC Aceca vs. 1996 Opel Calibra
To start off, 1996 Opel Calibra is newer by 39 year(s). Which means there will be less support and parts availability for 1957 AC Aceca. In addition, the cost of maintenance, including insurance, on 1957 AC Aceca would be higher. At 1,998 cc (4 cylinders), 1996 Opel Calibra is equipped with a bigger engine. In terms of performance, 1957 AC Aceca (125 HP @ 6000 RPM) has 10 more horse power than 1996 Opel Calibra. (115 HP @ 5200 RPM). In normal driving conditions, 1957 AC Aceca should accelerate faster than 1996 Opel Calibra. With that said, vehicle weight also plays an important factor in acceleration. 1996 Opel Calibra weights approximately 296 kg more than 1957 AC Aceca.
Let's talk about torque, 1996 Opel Calibra (173 Nm @ 2600 RPM) has 6 more torque (in Nm) than 1957 AC Aceca. (167 Nm @ 4500 RPM). This means 1996 Opel Calibra will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Aceca.
Compare all specifications:
| 1957 AC Aceca | 1996 Opel Calibra | |
| Make | AC | Opel |
| Model | Aceca | Calibra |
| Year Released | 1957 | 1996 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 115 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 167 Nm | 173 Nm |
| Torque RPM | 4500 RPM | 2600 RPM |
| Engine Bore Size | 66 mm | 86.1 mm |
| Engine Stroke Size | 96 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 894 kg | 1190 kg |
| Vehicle Length | 4070 mm | 4500 mm |
| Vehicle Width | 1560 mm | 1700 mm |
| Vehicle Height | 1330 mm | 1610 mm |
| Wheelbase Size | 2290 mm | 2610 mm |
