1985 Alfa Romeo 90 vs. 1986 Opel Omega
To start off, 1986 Opel Omega is newer by 1 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 90 would be higher. At 2,391 cc (4 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1986 Opel Omega (122 HP @ 5400 RPM) has 13 more horse power than 1985 Alfa Romeo 90. (109 HP @ 4200 RPM) In normal driving conditions, 1986 Opel Omega should accelerate faster than 1985 Alfa Romeo 90. With that said, vehicle weight also plays an important factor in acceleration. 1986 Opel Omega weights approximately 60 kg more than 1985 Alfa Romeo 90. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 1985 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 60 more torque (in Nm) than 1986 Opel Omega. (175 Nm @ 2600 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 1986 Opel Omega.
Compare all specifications:
| 1985 Alfa Romeo 90 | 1986 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | 90 | Omega |
| Year Released | 1985 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 122 HP |
| Engine RPM | 4200 RPM | 5400 RPM |
| Torque | 235 Nm | 175 Nm |
| Torque RPM | 2300 RPM | 2600 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 22.0:1 | 10.0:1 |
| Top Speed | 178 km/hour | 190 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 1310 kg |
| Vehicle Length | 4400 mm | 4740 mm |
| Vehicle Width | 1650 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1540 mm |
| Wheelbase Size | 2520 mm | 2740 mm |
| Fuel Tank Capacity | 49 L | 70 L |
