1987 Ford Sierra vs. 1970 Mercury Comet
To start off, 1987 Ford Sierra is newer by 17 year(s). Which means there will be less support and parts availability for 1970 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1970 Mercury Comet would be higher. At 4,942 cc (8 cylinders), 1970 Mercury Comet is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (224 HP @ 6000 RPM) has 87 more horse power than 1970 Mercury Comet. (137 HP @ 4200 RPM). In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1970 Mercury Comet. With that said, vehicle weight also plays an important factor in acceleration. 1970 Mercury Comet weights approximately 183 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, 1970 Mercury Comet (319 Nm @ 2000 RPM) has 34 more torque (in Nm) than 1987 Ford Sierra. (285 Nm @ 4500 RPM). This means 1970 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 1970 Mercury Comet | |
| Make | Ford | Mercury |
| Model | Sierra | Comet |
| Year Released | 1987 | 1970 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 4942 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 224 HP | 137 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 285 Nm | 319 Nm |
| Torque RPM | 4500 RPM | 2000 RPM |
| Engine Bore Size | 90.8 mm | 101.6 mm |
| Engine Stroke Size | 77 mm | 76.2 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1207 kg | 1390 kg |
| Vehicle Length | 4430 mm | 4800 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1360 mm |
| Wheelbase Size | 2540 mm | 2800 mm |
