1987 Ford Sierra vs. 1966 Mercury Comet
To start off, 1987 Ford Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1966 Mercury Comet. In addition, the cost of maintenance, including insurance, on 1966 Mercury Comet would be higher. At 6,393 cc (8 cylinders), 1966 Mercury Comet is equipped with a bigger engine. In terms of performance, 1966 Mercury Comet (267 HP @ 4400 RPM) has 155 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM) In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 640 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1966 Mercury Comet (546 Nm @ 2600 RPM) has 366 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1966 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 | 1966 Mercury Comet | |
| Make | Ford | Mercury |
| Model | Sierra | Comet |
| Year Released | 1987 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2292 cc | 6393 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 112 HP | 267 HP |
| Engine RPM | 5300 RPM | 4400 RPM |
| Torque | 180 Nm | 546 Nm |
| Torque RPM | 3000 RPM | 2600 RPM |
| Engine Bore Size | 96 mm | 103 mm |
| Engine Stroke Size | 79.5 mm | 96 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1135 kg | 1775 kg |
| Vehicle Length | 4500 mm | 5000 mm |
| Vehicle Width | 1680 mm | 1880 mm |
| Vehicle Height | 1400 mm | 1400 mm |
| Wheelbase Size | 2620 mm | 2950 mm |
