1987 Ford Sierra vs. 1985 Renault 18
To start off, 1987 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1985 Renault 18. In addition, the cost of maintenance, including insurance, on 1985 Renault 18 would be higher. At 1,995 cc (4 cylinders), 1985 Renault 18 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (224 HP @ 6000 RPM) has 120 more horse power than 1985 Renault 18. (104 HP @ 5500 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1985 Renault 18. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 72 kg more than 1985 Renault 18. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Ford Sierra 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 1987 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 1985 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, 1987 Ford Sierra (285 Nm @ 4500 RPM) has 122 more torque (in Nm) than 1985 Renault 18. (163 Nm @ 3250 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1985 Renault 18.
Compare all specifications:
| 1987 Ford Sierra | 1985 Renault 18 | |
| Make | Ford | Renault |
| Model | Sierra | 18 |
| Year Released | 1987 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 224 HP | 104 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 285 Nm | 163 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Bore Size | 90.8 mm | 88 mm |
| Engine Stroke Size | 77 mm | 82 mm |
| Engine Compression Ratio | 8.0:1 | 9.2:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1207 kg | 1135 kg |
| Vehicle Length | 4430 mm | 4470 mm |
| Vehicle Width | 1730 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1410 mm |
