1957 AC Ace vs. 1993 Opel Calibra
To start off, 1993 Opel Calibra is newer by 36 year(s). Which means there will be less support and parts availability for 1957 AC Ace. In addition, the cost of maintenance, including insurance, on 1957 AC Ace would be higher. At 2,498 cc (6 cylinders), 1993 Opel Calibra is equipped with a bigger engine. In terms of performance, 1993 Opel Calibra (168 HP @ 6000 RPM) has 94 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1993 Opel Calibra should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1993 Opel Calibra weights approximately 325 kg more than 1957 AC Ace. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Compare all specifications:
| 1957 AC Ace | 1993 Opel Calibra | |
| Make | AC | Opel |
| Model | Ace | Calibra |
| Year Released | 1957 | 1993 |
| Body Type | Roadster | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 2498 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 74 HP | 168 HP |
| Engine RPM | 4500 RPM | 6000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 890 kg | 1215 kg |
| Vehicle Length | 3850 mm | 4500 mm |
| Vehicle Width | 1520 mm | 1700 mm |
| Vehicle Height | 1250 mm | 1610 mm |
| Wheelbase Size | 2290 mm | 2610 mm |
