2007 Cadillac XLR vs. 1966 Holden HD
To start off, 2007 Cadillac XLR is newer by 41 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 4,565 cc (8 cylinders), 2007 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2007 Cadillac XLR (320 HP @ 6400 RPM) has 198 more horse power than 1966 Holden HD. (122 HP @ 4600 RPM). In normal driving conditions, 2007 Cadillac XLR should accelerate faster than 1966 Holden HD. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac XLR weights approximately 455 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, 2007 Cadillac XLR (420 Nm @ 4400 RPM) has 183 more torque (in Nm) than 1966 Holden HD. (237 Nm @ 2200 RPM). This means 2007 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1966 Holden HD.
Compare all specifications:
| 2007 Cadillac XLR | 1966 Holden HD | |
| Make | Cadillac | Holden |
| Model | XLR | HD |
| Year Released | 2007 | 1966 |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2930 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 122 HP |
| Engine RPM | 6400 RPM | 4600 RPM |
| Torque | 420 Nm | 237 Nm |
| Torque RPM | 4400 RPM | 2200 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1655 kg | 1200 kg |
| Vehicle Length | 4520 mm | 4580 mm |
| Vehicle Width | 1840 mm | 1790 mm |
| Vehicle Height | 1290 mm | 1510 mm |
| Wheelbase Size | 2690 mm | 2700 mm |
