1985 Opel Monza vs. 1978 Renault 18
To start off, 1985 Opel Monza is newer by 7 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 2,197 cc (4 cylinders), 1985 Opel Monza is equipped with a bigger engine. In terms of performance, 1985 Opel Monza (114 HP @ 4800 RPM) has 51 more horse power than 1978 Renault 18. (63 HP @ 5500 RPM). In normal driving conditions, 1985 Opel Monza should accelerate faster than 1978 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1985 Opel Monza weights approximately 331 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 1985 Opel Monza 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 1985 Opel Monza. 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, 1985 Opel Monza (186 Nm @ 2800 RPM) has 83 more torque (in Nm) than 1978 Renault 18. (103 Nm @ 3000 RPM). This means 1985 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1978 Renault 18.
Compare all specifications:
| 1985 Opel Monza | 1978 Renault 18 | |
| Make | Opel | Renault |
| Model | Monza | 18 |
| Year Released | 1985 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 2197 cc | 1397 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 63 HP |
| Engine RPM | 4800 RPM | 5500 RPM |
| Torque | 186 Nm | 103 Nm |
| Torque RPM | 2800 RPM | 3000 RPM |
| Engine Compression Ratio | 9.4:1 | 9.2:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1326 kg | 995 kg |
| Vehicle Length | 4700 mm | 4500 mm |
| Vehicle Width | 1740 mm | 1700 mm |
| Vehicle Height | 1390 mm | 1410 mm |
| Wheelbase Size | 2670 mm | 2450 mm |
