1966 Holden HD vs. 1999 Mercury Mountaineer
To start off, 1999 Mercury Mountaineer is newer by 33 year(s). Which means there will be less support and parts availability for 1966 Holden HD. In addition, the cost of maintenance, including insurance, on 1966 Holden HD would be higher. At 4,012 cc (6 cylinders), 1999 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 1999 Mercury Mountaineer (208 HP @ 5250 RPM) has 86 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM) In normal driving conditions, 1999 Mercury Mountaineer should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Mountaineer weights approximately 725 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.
Because 1999 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1966 Holden HD. In wet, icy, snow, or gravel driving conditions, 1999 Mercury Mountaineer will offer significantly more control. 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, 1999 Mercury Mountaineer (325 Nm @ 3250 RPM) has 88 more torque (in Nm) than 1966 Holden HD. (237 Nm @ 2200 RPM). This means 1999 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 1966 Holden HD | 1999 Mercury Mountaineer | |
| Make | Holden | Mercury |
| Model | HD | Mountaineer |
| Year Released | 1966 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2930 cc | 4012 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 122 HP | 208 HP |
| Engine RPM | 4600 RPM | 5250 RPM |
| Torque | 237 Nm | 325 Nm |
| Torque RPM | 2200 RPM | 3250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1200 kg | 1925 kg |
| Vehicle Length | 4580 mm | 4850 mm |
| Vehicle Width | 1790 mm | 1790 mm |
| Vehicle Height | 1510 mm | 1800 mm |
| Wheelbase Size | 2700 mm | 2840 mm |
