1963 AC Greyhound vs. 1977 Pontiac Grand Safari
To start off, 1977 Pontiac Grand Safari is newer by 14 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), 1977 Pontiac Grand Safari is equipped with a bigger engine. In terms of performance, 1977 Pontiac Grand Safari (138 HP @ 3600 RPM) has 15 more horse power than 1963 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 1977 Pontiac Grand Safari should accelerate faster than 1963 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1977 Pontiac Grand Safari weights approximately 855 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, 1977 Pontiac Grand Safari (319 Nm) has 140 more torque (in Nm) than 1963 AC Greyhound. (179 Nm). This means 1977 Pontiac Grand Safari will have an easier job in driving up hills or pulling heavy equipment than 1963 AC Greyhound.
Compare all specifications:
| 1963 AC Greyhound | 1977 Pontiac Grand Safari | |
| Make | AC | Pontiac |
| Model | Greyhound | Grand Safari |
| Year Released | 1963 | 1977 |
| 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 | 138 HP |
| Engine RPM | 5750 RPM | 3600 RPM |
| Torque | 179 Nm | 319 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1015 kg | 1870 kg |
| Vehicle Length | 4580 mm | 5450 mm |
| Vehicle Width | 1670 mm | 2020 mm |
| Vehicle Height | 1340 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 2950 mm |
