1955 AC 2-Litre vs. 1981 Bitter SC
To start off, 1981 Bitter SC is newer by 26 year(s). Which means there will be less support and parts availability for 1955 AC 2-Litre. In addition, the cost of maintenance, including insurance, on 1955 AC 2-Litre would be higher. At 2,969 cc (6 cylinders), 1981 Bitter SC is equipped with a bigger engine. In terms of performance, 1981 Bitter SC (177 HP @ 5800 RPM) has 101 more horse power than 1955 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 1981 Bitter SC should accelerate faster than 1955 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 1981 Bitter SC weights approximately 30 kg more than 1955 AC 2-Litre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 1981 Bitter SC (248 Nm @ 4200 RPM) has 112 more torque (in Nm) than 1955 AC 2-Litre. (136 Nm @ 2500 RPM). This means 1981 Bitter SC will have an easier job in driving up hills or pulling heavy equipment than 1955 AC 2-Litre.
Compare all specifications:
| 1955 AC 2-Litre | 1981 Bitter SC | |
| Make | AC | Bitter |
| Model | 2-Litre | SC |
| Year Released | 1955 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 2969 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 76 HP | 177 HP |
| Engine RPM | 4500 RPM | 5800 RPM |
| Torque | 136 Nm | 248 Nm |
| Torque RPM | 2500 RPM | 4200 RPM |
| Engine Bore Size | 65 mm | 95.1 mm |
| Engine Stroke Size | 100 mm | 69.8 mm |
| Engine Compression Ratio | 6.8:1 | 9.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1320 kg | 1350 kg |
| Vehicle Length | 4680 mm | 4920 mm |
| Vehicle Width | 1710 mm | 1830 mm |
| Vehicle Height | 1560 mm | 1360 mm |
| Wheelbase Size | 2980 mm | 2690 mm |
