1949 AC 2-Litre vs. 1998 Opel Signum
To start off, 1998 Opel Signum is newer by 49 year(s). Which means there will be less support and parts availability for 1949 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1949 AC 2-Litre would be higher. At 1,991 cc (6 cylinders), 1949 AC 2-Litre is equipped with a bigger engine. In terms of performance, 1998 Opel Signum (99 HP @ 3120 RPM) has 23 more horse power than 1949 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 1998 Opel Signum should accelerate faster than 1949 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 275 kg more than 1949 AC 2-Litre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1949 AC 2-Litre 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 1949 AC 2-Litre. However, in wet, icy, snow, or gravel driving conditions, 1998 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, 1998 Opel Signum (185 Nm @ 1500 RPM) has 49 more torque (in Nm) than 1949 AC 2-Litre. (136 Nm @ 2500 RPM). This means 1998 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1949 AC 2-Litre.
Compare all specifications:
| 1949 AC 2-Litre | 1998 Opel Signum | |
| Make | AC | Opel |
| Model | 2-Litre | Signum |
| Year Released | 1949 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 76 HP | 99 HP |
| Engine RPM | 4500 RPM | 3120 RPM |
| Torque | 136 Nm | 185 Nm |
| Torque RPM | 2500 RPM | 1500 RPM |
| Engine Bore Size | 65 mm | 84 mm |
| Engine Stroke Size | 100 mm | 90 mm |
| Engine Compression Ratio | 6.8:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1320 kg | 1595 kg |
| Vehicle Length | 4680 mm | 4640 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1560 mm | 1470 mm |
| Wheelbase Size | 2980 mm | 2840 mm |
| Fuel Tank Capacity | 52 L | 60 L |
