1980 Opel Commodore vs. 1986 Alfa Romeo 90
To start off, 1986 Alfa Romeo 90 is newer by 6 year(s). Which means there will be less support and parts availability for 1980 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1980 Opel Commodore would be higher. At 2,488 cc (6 cylinders), 1980 Opel Commodore is equipped with a bigger engine. In terms of performance, 1980 Opel Commodore (115 HP @ 5800 RPM) has 6 more horse power than 1986 Alfa Romeo 90. (109 HP @ 4200 RPM). In normal driving conditions, 1980 Opel Commodore should accelerate faster than 1986 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 90 weights approximately 50 kg more than 1980 Opel Commodore.
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, 1986 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 56 more torque (in Nm) than 1980 Opel Commodore. (179 Nm @ 4200 RPM). This means 1986 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1980 Opel Commodore.
Compare all specifications:
| 1980 Opel Commodore | 1986 Alfa Romeo 90 | |
| Make | Opel | Alfa Romeo |
| Model | Commodore | 90 |
| Year Released | 1980 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2488 cc | 2391 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 115 HP | 109 HP |
| Engine RPM | 5800 RPM | 4200 RPM |
| Torque | 179 Nm | 235 Nm |
| Torque RPM | 4200 RPM | 2300 RPM |
| Engine Bore Size | 87 mm | 92 mm |
| Engine Stroke Size | 69.8 mm | 90 mm |
| Engine Compression Ratio | 9.4:1 | 22.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1200 kg | 1250 kg |
| Vehicle Length | 4740 mm | 4400 mm |
| Vehicle Width | 1730 mm | 1650 mm |
| Vehicle Height | 1420 mm | 1430 mm |
| Wheelbase Size | 2670 mm | 2520 mm |
| Fuel Tank Capacity | 65 L | 49 L |
