1987 Ford Sierra vs. 1971 Opel GT
To start off, 1987 Ford Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1971 Opel GT. In addition, the cost of maintenance, including insurance, on 1971 Opel GT would be higher. At 2,292 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (112 HP @ 5300 RPM) has 23 more horse power than 1971 Opel GT. (89 HP @ 5200 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1971 Opel GT.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 28 more torque (in Nm) than 1971 Opel GT. (152 Nm @ 3400 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 Opel GT.
Compare all specifications:
| 1987 Ford Sierra | 1971 Opel GT | |
| Make | Ford | Opel |
| Model | Sierra | GT |
| Year Released | 1987 | 1971 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 1900 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 112 HP | 89 HP |
| Engine RPM | 5300 RPM | 5200 RPM |
| Torque | 180 Nm | 152 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Bore Size | 96 mm | 93 mm |
| Engine Stroke Size | 79.5 mm | 69.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Length | 4500 mm | 4120 mm |
| Vehicle Width | 1680 mm | 1590 mm |
| Vehicle Height | 1400 mm | 1230 mm |
| Wheelbase Size | 2620 mm | 2440 mm |
