1959 AC Greyhound vs. 2002 Opel Signum
To start off, 2002 Opel Signum is newer by 43 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 2,957 cc (6 cylinders), 2002 Opel Signum is equipped with a bigger engine. In terms of performance, 2002 Opel Signum (174 HP @ 4000 RPM) has 70 more horse power than 1959 AC Greyhound. (104 HP @ 4700 RPM) In normal driving conditions, 2002 Opel Signum should accelerate faster than 1959 AC Greyhound. With that said, vehicle weight also plays an important factor in acceleration. 2002 Opel Signum weights approximately 577 kg more than 1959 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, 2002 Opel Signum (377 Nm @ 1900 RPM) has 202 more torque (in Nm) than 1959 AC Greyhound. (175 Nm @ 4700 RPM). This means 2002 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1959 AC Greyhound.
Compare all specifications:
| 1959 AC Greyhound | 2002 Opel Signum | |
| Make | AC | Opel |
| Model | Greyhound | Signum |
| Year Released | 1959 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2216 cc | 2957 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 104 HP | 174 HP |
| Engine RPM | 4700 RPM | 4000 RPM |
| Torque | 175 Nm | 377 Nm |
| Torque RPM | 4700 RPM | 1900 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1093 kg | 1670 kg |
| Vehicle Length | 4580 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2840 mm |
| Fuel Tank Capacity | 54 L | 58 L |
