1975 Alfa Romeo Alfetta vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 24 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo Alfetta would be higher. At 2,498 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (123 HP @ 4500 RPM) has 15 more horse power than 1975 Alfa Romeo Alfetta. (108 HP @ 5600 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1975 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 655 kg more than 1975 Alfa Romeo Alfetta. 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, 1999 Opel Omega (251 Nm @ 2200 RPM) has 109 more torque (in Nm) than 1975 Alfa Romeo Alfetta. (142 Nm @ 4300 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo Alfetta.
Compare all specifications:
| 1975 Alfa Romeo Alfetta | 1999 Opel Omega | |
| Make | Alfa Romeo | Opel |
| Model | Alfetta | Omega |
| Year Released | 1975 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1570 cc | 2498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 108 HP | 123 HP |
| Engine RPM | 5600 RPM | 4500 RPM |
| Torque | 142 Nm | 251 Nm |
| Torque RPM | 4300 RPM | 2200 RPM |
| Engine Bore Size | 78 mm | 80 mm |
| Engine Stroke Size | 82 mm | 82.8 mm |
| Top Speed | 175 km/hour | 195 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 | 1080 kg | 1735 kg |
| Vehicle Length | 4290 mm | 4900 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1550 mm |
| Wheelbase Size | 2520 mm | 2640 mm |
| Fuel Tank Capacity | 49 L | 75 L |
