1987 Ford Sierra vs. 1985 Opel Kadett
To start off, 1987 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1985 Opel Kadett. In addition, the cost of maintenance, including insurance, on 1985 Opel Kadett would be higher. At 1,993 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (204 HP @ 6250 RPM) has 122 more horse power than 1985 Opel Kadett. (82 HP @ 5400 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1985 Opel Kadett. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 336 kg more than 1985 Opel Kadett. 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 Opel Kadett, 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 (277 Nm @ 4500 RPM) has 147 more torque (in Nm) than 1985 Opel Kadett. (130 Nm @ 2600 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1985 Opel Kadett.
Compare all specifications:
| 1987 Ford Sierra | 1985 Opel Kadett | |
| Make | Ford | Opel |
| Model | Sierra | Kadett |
| Year Released | 1987 | 1985 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 204 HP | 82 HP |
| Engine RPM | 6250 RPM | 5400 RPM |
| Torque | 277 Nm | 130 Nm |
| Torque RPM | 4500 RPM | 2600 RPM |
| Engine Bore Size | 90.8 mm | 79.1 mm |
| Engine Stroke Size | 77 mm | 81.5 mm |
| Engine Compression Ratio | 8.0:1 | 10.0:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1250 kg | 914 kg |
| Vehicle Length | 4470 mm | 4010 mm |
| Vehicle Width | 1710 mm | 1670 mm |
| Vehicle Height | 1380 mm | 1410 mm |
| Wheelbase Size | 2500 mm | 2530 mm |
