1959 AC Greyhound vs. 1971 Citroen GS
To start off, 1971 Citroen GS is newer by 12 year(s). Which means there will be less support and parts availability for 1959 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1959 AC Greyhound would be higher. At 2,216 cc (6 cylinders), 1959 AC Greyhound is equipped with a bigger engine. In terms of performance, 1959 AC Greyhound (104 HP @ 4700 RPM) has 49 more horse power than 1971 Citroen GS. (55 HP @ 6500 RPM). In normal driving conditions, 1959 AC Greyhound should accelerate faster than 1971 Citroen GS. With that said, vehicle weight also plays an important factor in acceleration. 1959 AC Greyhound weights approximately 203 kg more than 1971 Citroen GS. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1959 AC Greyhound (175 Nm @ 4700 RPM) has 103 more torque (in Nm) than 1971 Citroen GS. (72 Nm @ 3500 RPM). This means 1959 AC Greyhound will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen GS.
Compare all specifications:
| 1959 AC Greyhound | 1971 Citroen GS | |
| Make | AC | Citroen |
| Model | Greyhound | GS |
| Year Released | 1959 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 2216 cc | 1015 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 104 HP | 55 HP |
| Engine RPM | 4700 RPM | 6500 RPM |
| Torque | 175 Nm | 72 Nm |
| Torque RPM | 4700 RPM | 3500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1093 kg | 890 kg |
| Vehicle Length | 4580 mm | 4130 mm |
| Vehicle Width | 1670 mm | 1620 mm |
| Vehicle Height | 1340 mm | 1360 mm |
| Wheelbase Size | 2550 mm | 2560 mm |
| Fuel Tank Capacity | 54 L | 43 L |
