1987 Ford Sierra vs. 1970 Opel Commodore
To start off, 1987 Ford Sierra is newer by 17 year(s). Which means there will be less support and parts availability for 1970 Opel Commodore. In addition, the cost of maintenance, including insurance, on 1970 Opel Commodore would be higher. At 2,490 cc (6 cylinders), 1970 Opel Commodore is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (204 HP @ 6250 RPM) has 90 more horse power than 1970 Opel Commodore. (114 HP @ 5200 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1970 Opel Commodore. With that said, vehicle weight also plays an important factor in acceleration. 1987 Ford Sierra weights approximately 80 kg more than 1970 Opel Commodore. 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, 1987 Ford Sierra (277 Nm @ 4500 RPM) has 100 more torque (in Nm) than 1970 Opel Commodore. (177 Nm @ 3800 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1970 Opel Commodore.
Compare all specifications:
| 1987 Ford Sierra | 1970 Opel Commodore | |
| Make | Ford | Opel |
| Model | Sierra | Commodore |
| Year Released | 1987 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2490 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 204 HP | 114 HP |
| Engine RPM | 6250 RPM | 5200 RPM |
| Torque | 277 Nm | 177 Nm |
| Torque RPM | 4500 RPM | 3800 RPM |
| Engine Bore Size | 90.8 mm | 87.1 mm |
| Engine Stroke Size | 77 mm | 69.8 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1250 kg | 1170 kg |
| Vehicle Length | 4470 mm | 4620 mm |
| Vehicle Width | 1710 mm | 1740 mm |
| Vehicle Height | 1380 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2680 mm |
