1986 Alfa Romeo 75 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 19 year(s). Which means there will be less support and parts availability for 1986 Alfa Romeo 75. In addition, the cost of maintenance, including insurance, on 1986 Alfa Romeo 75 would be higher. At 2,958 cc (6 cylinders), 2005 Opel Vectra is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (175 HP @ 4000 RPM) has 19 more horse power than 1986 Alfa Romeo 75. (156 HP @ 5600 RPM) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Vectra weights approximately 420 kg more than 1986 Alfa Romeo 75. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Alfa Romeo 75 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 1986 Alfa Romeo 75. 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, 2005 Opel Vectra (370 Nm @ 1900 RPM) has 161 more torque (in Nm) than 1986 Alfa Romeo 75. (209 Nm @ 4000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75.
Compare all specifications:
| 1986 Alfa Romeo 75 | 2005 Opel Vectra | |
| Make | Alfa Romeo | Opel |
| Model | 75 | Vectra |
| Year Released | 1986 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2958 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 156 HP | 175 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 209 Nm | 370 Nm |
| Torque RPM | 4000 RPM | 1900 RPM |
| Engine Bore Size | 88 mm | 87.5 mm |
| Engine Stroke Size | 68.3 mm | 82 mm |
| Engine Compression Ratio | 9.0:1 | 18.5:1 |
| Top Speed | 200 km/hour | 226 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1210 kg | 1630 kg |
| Vehicle Length | 4340 mm | 4600 mm |
| Vehicle Width | 1640 mm | 1800 mm |
| Vehicle Height | 1360 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2610 mm |
| Fuel Tank Capacity | 49 L | 61 L |
