1999 Opel Omega vs. 1978 Renault 18
To start off, 1999 Opel Omega is newer by 21 year(s). Which means there will be less support and parts availability for 1978 Renault 18. In addition, the cost of maintenance, including insurance, on 1978 Renault 18 would be higher. At 1,998 cc (4 cylinders), 1999 Opel Omega is equipped with a bigger engine. In terms of performance, 1999 Opel Omega (134 HP @ 5600 RPM) has 56 more horse power than 1978 Renault 18. (78 HP @ 5000 RPM). In normal driving conditions, 1999 Opel Omega should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1999 Opel Omega weights approximately 600 kg more than 1978 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Opel Omega is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1999 Opel Omega. However, in wet, icy, snow, or gravel driving conditions, 1978 Renault 18, being front wheel drive (FWD), will offer much better control with better grip. 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 (185 Nm @ 4000 RPM) has 52 more torque (in Nm) than 1978 Renault 18. (133 Nm @ 3000 RPM). This means 1999 Opel Omega will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 1999 Opel Omega | 1978 Renault 18 | |
| Make | Opel | Renault |
| Model | Omega | 18 |
| Year Released | 1999 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1645 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 134 HP | 78 HP |
| Engine RPM | 5600 RPM | 5000 RPM |
| Torque | 185 Nm | 133 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Engine Bore Size | 86.1 mm | 81 mm |
| Engine Stroke Size | 86 mm | 83.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1570 kg | 970 kg |
| Vehicle Length | 4900 mm | 4390 mm |
| Vehicle Width | 1790 mm | 1710 mm |
| Vehicle Height | 1460 mm | 1410 mm |
| Wheelbase Size | 2740 mm | 2450 mm |
