1963 AC Greyhound vs. 1977 Bitter Diplomat
To start off, 1977 Bitter Diplomat 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 5,354 cc (8 cylinders), 1977 Bitter Diplomat is equipped with a bigger engine. In terms of performance, 1977 Bitter Diplomat (227 HP @ 4700 RPM) has 104 more horse power than 1963 AC Greyhound. (123 HP @ 5750 RPM) In normal driving conditions, 1977 Bitter Diplomat should accelerate faster than 1963 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 1977 Bitter Diplomat weights approximately 665 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 Bitter Diplomat (419 Nm) has 240 more torque (in Nm) than 1963 AC Greyhound. (179 Nm). This means 1977 Bitter Diplomat will have an easier job in driving up hills or pulling heavy equipment than 1963 AC Greyhound.
Compare all specifications:
| 1963 AC Greyhound | 1977 Bitter Diplomat | |
| Make | AC | Bitter |
| Model | Greyhound | Diplomat |
| Year Released | 1963 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 5354 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 227 HP |
| Engine RPM | 5750 RPM | 4700 RPM |
| Torque | 179 Nm | 419 Nm |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1015 kg | 1680 kg |
| Vehicle Length | 4580 mm | 4860 mm |
| Vehicle Width | 1670 mm | 1850 mm |
| Vehicle Height | 1340 mm | 1290 mm |
| Wheelbase Size | 2550 mm | 2690 mm |
