1955 AC 2-Litre vs. 2003 Opel Vectra
To start off, 2003 Opel Vectra is newer by 48 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 1,994 cc (4 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Opel Vectra (173 HP @ 5500 RPM) has 97 more horse power than 1955 AC 2-Litre. (76 HP @ 4500 RPM) In normal driving conditions, 2003 Opel Vectra should accelerate faster than 1955 AC 2-Litre. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 190 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.
Because 1955 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 1955 AC 2-Litre. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, 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, 2003 Opel Vectra (270 Nm @ 2500 RPM) has 134 more torque (in Nm) than 1955 AC 2-Litre. (136 Nm @ 2500 RPM). This means 2003 Opel Vectra 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 | 2003 Opel Vectra | |
| Make | AC | Opel |
| Model | 2-Litre | Vectra |
| Year Released | 1955 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 76 HP | 173 HP |
| Engine RPM | 4500 RPM | 5500 RPM |
| Torque | 136 Nm | 270 Nm |
| Torque RPM | 2500 RPM | 2500 RPM |
| Engine Bore Size | 65 mm | 86 mm |
| Engine Stroke Size | 100 mm | 86 mm |
| Engine Compression Ratio | 6.8:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1320 kg | 1510 kg |
| Vehicle Length | 4680 mm | 4600 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1560 mm | 1470 mm |
| Wheelbase Size | 2980 mm | 2840 mm |
| Fuel Tank Capacity | 52 L | 61 L |
