1961 AC Greyhound vs. 1998 Opel Signum
To start off, 1998 Opel Signum is newer by 37 year(s). Which means there will be less support and parts availability for 1961 AC Greyhound. In addition, the cost of maintenance, including insurance, on 1961 AC Greyhound would be higher. At 1,971 cc (6 cylinders), 1961 AC Greyhound is equipped with a bigger engine. In terms of performance, 1961 AC Greyhound (123 HP @ 5750 RPM) has 3 more horse power than 1998 Opel Signum. (120 HP @ 6000 RPM). In normal driving conditions, 1961 AC Greyhound should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 465 kg more than 1961 AC Greyhound.
Let's talk about torque, 1961 AC Greyhound (179 Nm) has 12 more torque (in Nm) than 1998 Opel Signum. (167 Nm). This means 1961 AC Greyhound will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 1961 AC Greyhound | 1998 Opel Signum | |
| Make | AC | Opel |
| Model | Greyhound | Signum |
| Year Released | 1961 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 123 HP | 120 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 179 Nm | 167 Nm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1015 kg | 1480 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2740 mm |
| Fuel Tank Capacity | 54 L | 60 L |
