1987 Ford Sierra vs. 1971 Mercury Montego
To start off, 1987 Ford Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1971 Mercury Montego. In addition, the cost of maintenance, including insurance, on 1971 Mercury Montego would be higher. At 4,095 cc (6 cylinders), 1971 Mercury Montego is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (204 HP @ 6250 RPM) has 108 more horse power than 1971 Mercury Montego. (96 HP @ 3600 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1971 Mercury Montego. With that said, vehicle weight also plays an important factor in acceleration. 1971 Mercury Montego weights approximately 445 kg more than 1987 Ford Sierra.
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 29 more torque (in Nm) than 1971 Mercury Montego. (248 Nm @ 1600 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1971 Mercury Montego.
Compare all specifications:
| 1987 Ford Sierra | 1971 Mercury Montego | |
| Make | Ford | Mercury |
| Model | Sierra | Montego |
| Year Released | 1987 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 4095 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 204 HP | 96 HP |
| Engine RPM | 6250 RPM | 3600 RPM |
| Torque | 277 Nm | 248 Nm |
| Torque RPM | 4500 RPM | 1600 RPM |
| Engine Bore Size | 90.8 mm | 93.5 mm |
| Engine Stroke Size | 77 mm | 99.3 mm |
| Engine Compression Ratio | 8.0:1 | 8.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 6 seats |
| Vehicle Weight | 1250 kg | 1695 kg |
| Vehicle Length | 4470 mm | 5300 mm |
| Vehicle Width | 1710 mm | 2010 mm |
| Vehicle Height | 1380 mm | 1350 mm |
| Wheelbase Size | 2500 mm | 3010 mm |
