1986 Opel Omega vs. 1973 Vauxhall Firenza
To start off, 1986 Opel Omega is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Vauxhall Firenza. In addition, the cost of maintenance, including insurance, on 1973 Vauxhall Firenza would be higher. At 1,996 cc (4 cylinders), 1986 Opel Omega is equipped with a bigger engine. In terms of performance, 1986 Opel Omega (122 HP @ 5400 RPM) has 45 more horse power than 1973 Vauxhall Firenza. (77 HP @ 5200 RPM). In normal driving conditions, 1986 Opel Omega should accelerate faster than 1973 Vauxhall Firenza. With that said, vehicle weight also plays an important factor in acceleration. 1986 Opel Omega weights approximately 335 kg more than 1973 Vauxhall Firenza. 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, 1986 Opel Omega (175 Nm @ 2600 RPM) has 41 more torque (in Nm) than 1973 Vauxhall Firenza. (134 Nm @ 3000 RPM). This means 1986 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1973 Vauxhall Firenza.
Compare all specifications:
| 1986 Opel Omega | 1973 Vauxhall Firenza | |
| Make | Opel | Vauxhall |
| Model | Omega | Firenza |
| Year Released | 1986 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1996 cc | 1759 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 122 HP | 77 HP |
| Engine RPM | 5400 RPM | 5200 RPM |
| Torque | 175 Nm | 134 Nm |
| Torque RPM | 2600 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 85.8 mm |
| Engine Stroke Size | 86 mm | 76.2 mm |
| Engine Compression Ratio | 10.0:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1275 kg | 940 kg |
| Vehicle Length | 4740 mm | 4150 mm |
| Vehicle Width | 1770 mm | 1650 mm |
| Vehicle Height | 1450 mm | 1340 mm |
| Wheelbase Size | 2740 mm | 2470 mm |
