1963 AC Greyhound vs. 1970 Mercury Comet
To start off, 1970 Mercury Comet is newer by 7 year(s). Which means there will be less support and parts availability for 1963 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1963 AC Greyhound would be higher. At 4,942 cc (8 cylinders), 1970 Mercury Comet is equipped with a bigger engine. In terms of performance, 1970 Mercury Comet (137 HP @ 4200 RPM) has 14 more horse power than 1963 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 1970 Mercury Comet should accelerate faster than 1963 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1970 Mercury Comet weights approximately 375 kg more than 1963 AC Greyhound. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1970 Mercury Comet (319 Nm) has 140 more torque (in Nm) than 1963 AC Greyhound. (179 Nm). This means 1970 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1963 AC Greyhound.
Compare all specifications:
| 1963 AC Greyhound | 1970 Mercury Comet | |
| Make | AC | Mercury |
| Model | Greyhound | Comet |
| Year Released | 1963 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 137 HP |
| Engine RPM | 5750 RPM | 4200 RPM |
| Torque | 179 Nm | 319 Nm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1015 kg | 1390 kg |
| Vehicle Length | 4580 mm | 4800 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1360 mm |
| Wheelbase Size | 2550 mm | 2800 mm |
