1957 AC Ace vs. 1966 Mercury Comet
To start off, 1966 Mercury Comet is newer by 9 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 6,393 cc (8 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (268 HP @ 4400 RPM) has 194 more horse power than 1957 AC Ace. (74 HP @ 4500 RPM) In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1957 AC Ace. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 885 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 | 1966 Mercury Comet | |
| Make | AC | Mercury |
| Model | Ace | Comet |
| Year Released | 1957 | 1966 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1990 cc | 6393 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 74 HP | 268 HP |
| Engine RPM | 4500 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 890 kg | 1775 kg |
| Vehicle Length | 3850 mm | 5180 mm |
| Vehicle Width | 1520 mm | 1880 mm |
| Vehicle Height | 1250 mm | 1380 mm |
| Wheelbase Size | 2290 mm | 2950 mm |
