1965 AC 427 vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 42 year(s). Which means there will be less support and parts availability for 1965 AC 427. In addition, the cost of maintenance, including insurance, on 1965 AC 427 would be higher. At 6,997 cc (8 cylinders), 1965 AC 427 is equipped with a bigger engine. In terms of performance, 1965 AC 427 (410 HP @ 4000 RPM) has 257 more horse power than 2007 Opel Vectra. (153 HP @ 5600 RPM). In normal driving conditions, 1965 AC 427 should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 153 kg more than 1965 AC 427.
Because 1965 AC 427 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 1965 AC 427. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 1965 AC 427 (652 Nm @ 3700 RPM) has 432 more torque (in Nm) than 2007 Opel Vectra. (220 Nm @ 3800 RPM). This means 1965 AC 427 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 1965 AC 427 | 2007 Opel Vectra | |
| Make | AC | Opel |
| Model | 427 | Vectra |
| Year Released | 1965 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2197 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 410 HP | 153 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 652 Nm | 220 Nm |
| Torque RPM | 3700 RPM | 3800 RPM |
| Engine Bore Size | 107.7 mm | 86 mm |
| Engine Stroke Size | 96 mm | 94.6 mm |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1397 kg | 1550 kg |
| Vehicle Length | 4430 mm | 4830 mm |
| Vehicle Width | 1710 mm | 1800 mm |
| Vehicle Height | 1300 mm | 1510 mm |
| Wheelbase Size | 2440 mm | 2840 mm |
| Fuel Tank Capacity | 81 L | 60 L |
