1957 AC Aceca vs. 2006 Opel Signum
To start off, 2006 Opel Signum is newer by 49 year(s). Which means there will be less support and parts availability for 1957 AC Aceca. In addition, the cost of maintenance, including insurance, on 1957 AC Aceca would be higher. At 2,198 cc (4 cylinders), 2006 Opel Signum is equipped with a bigger engine. In terms of performance, 2006 Opel Signum (153 HP @ 5600 RPM) has 28 more horse power than 1957 AC Aceca. (125 HP @ 6000 RPM) In normal driving conditions, 2006 Opel Signum should accelerate faster than 1957 AC Aceca. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Signum weights approximately 641 kg more than 1957 AC Aceca. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1957 AC Aceca is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1957 AC Aceca. However, in wet, icy, snow, or gravel driving conditions, 2006 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Opel Signum (220 Nm @ 3800 RPM) has 53 more torque (in Nm) than 1957 AC Aceca. (167 Nm @ 4500 RPM). This means 2006 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1957 AC Aceca.
Compare all specifications:
| 1957 AC Aceca | 2006 Opel Signum | |
| Make | AC | Opel |
| Model | Aceca | Signum |
| Year Released | 1957 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1971 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 125 HP | 153 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 167 Nm | 220 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 66 mm | 86 mm |
| Engine Stroke Size | 96 mm | 94.6 mm |
| Engine Compression Ratio | 9.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 894 kg | 1535 kg |
| Vehicle Length | 4070 mm | 4640 mm |
| Vehicle Width | 1560 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2290 mm | 2840 mm |
| Fuel Tank Capacity | 59 L | 60 L |
