1966 Holden HD vs. 1966 Mercury Comet
To start off, both 1966 Holden HD and 1966 Mercury Comet were released in the same year (1966). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 145 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM) In normal driving conditions, 1966 Mercury Comet should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 1966 Mercury Comet weights approximately 575 kg more than 1966 Holden HD. 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, 1966 Mercury Comet (546 Nm @ 2600 RPM) has 309 more torque (in Nm) than 1966 Holden HD. (237 Nm @ 2200 RPM). This means 1966 Mercury Comet will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 1966 Holden HD | 1966 Mercury Comet | |
| Make | Holden | Mercury |
| Model | HD | Comet |
| Year Released | 1966 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 6393 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 267 HP |
| Engine RPM | 4600 RPM | 4400 RPM |
| Torque | 237 Nm | 546 Nm |
| Torque RPM | 2200 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1200 kg | 1775 kg |
| Vehicle Length | 4580 mm | 5000 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1510 mm | 1400 mm |
| Wheelbase Size | 2700 mm | 2950 mm |
