1978 Fiat 131 vs. 1999 Opel Omega
To start off, 1999 Opel Omega is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Fiat 131. In addition, the cost of maintenance, including insurance, on 1978 Fiat 131 would be higher. At 2,597 cc (6 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (125 HP @ 4300 RPM) has 66 more horse power than 1978 Fiat 131. (59 HP @ 4400 RPM) In normal driving conditions, 1999 Opel Omega should accelerate faster than 1978 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 530 kg more than 1978 Fiat 131. 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 (241 Nm @ 2200 RPM) has 128 more torque (in Nm) than 1978 Fiat 131. (113 Nm @ 2400 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1978 Fiat 131.
Compare all specifications:
| 1978 Fiat 131 | 1999 Opel Omega | |
| Make | Fiat | Opel |
| Model | 131 | Omega |
| Year Released | 1978 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2597 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 125 HP |
| Engine RPM | 4400 RPM | 4300 RPM |
| Torque | 113 Nm | 241 Nm |
| Torque RPM | 2400 RPM | 2200 RPM |
| Engine Bore Size | 88 mm | 80 mm |
| Engine Stroke Size | 82 mm | 82.8 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1180 kg | 1710 kg |
| Vehicle Length | 4270 mm | 4900 mm |
| Vehicle Width | 1660 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1510 mm |
| Wheelbase Size | 2500 mm | 2740 mm |
