1981 Alfa Romeo Alfa 6 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 24 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 1,997 cc (6 cylinders), 1981 Alfa Romeo Alfa 6 is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfa 6 (133 HP @ 5600 RPM) has 11 more horse power than 2005 Opel Vectra. (122 HP @ 5600 RPM). In normal driving conditions, 1981 Alfa Romeo Alfa 6 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfa 6 weights approximately 110 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 Alfa Romeo Alfa 6 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 1981 Alfa Romeo Alfa 6. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 1981 Alfa Romeo Alfa 6 (178 Nm @ 4500 RPM) has 8 more torque (in Nm) than 2005 Opel Vectra. (170 Nm @ 3800 RPM). This means 1981 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | Alfa 6 | Vectra |
| Year Released | 1981 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 133 HP | 122 HP |
| Engine RPM | 5600 RPM | 5600 RPM |
| Torque | 178 Nm | 170 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 80 mm | 80.5 mm |
| Engine Stroke Size | 66.2 mm | 88.2 mm |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1470 kg | 1360 kg |
| Vehicle Length | 4770 mm | 4500 mm |
| Vehicle Width | 1690 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1430 mm |
| Wheelbase Size | 2610 mm | 2450 mm |
