2009 Cadillac XLR vs. 1974 Humber Sceptre
To start off, 2009 Cadillac XLR is newer by 35 year(s). Which means there will be less support and parts availability for 1974 Humber Sceptre. In addition, the cost of maintenance, including insurance, on 1974 Humber Sceptre would be higher. At 4,369 cc (8 cylinders), 2009 Cadillac XLR is equipped with a bigger engine. In terms of performance, 2009 Cadillac XLR (444 HP @ 6400 RPM) has 365 more horse power than 1974 Humber Sceptre. (79 HP @ 5200 RPM). In normal driving conditions, 2009 Cadillac XLR should accelerate faster than 1974 Humber Sceptre. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac XLR weights approximately 729 kg more than 1974 Humber Sceptre. 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, 2009 Cadillac XLR (561 Nm @ 3900 RPM) has 438 more torque (in Nm) than 1974 Humber Sceptre. (123 Nm @ 3600 RPM). This means 2009 Cadillac XLR will have an easier job in driving up hills or pulling heavy equipment than 1974 Humber Sceptre.
Compare all specifications:
| 2009 Cadillac XLR | 1974 Humber Sceptre | |
| Make | Cadillac | Humber |
| Model | XLR | Sceptre |
| Year Released | 2009 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 4369 cc | 1725 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 79 HP |
| Engine RPM | 6400 RPM | 5200 RPM |
| Torque | 561 Nm | 123 Nm |
| Torque RPM | 3900 RPM | 3600 RPM |
| Engine Bore Size | 91 mm | 81.5 mm |
| Engine Stroke Size | 84 mm | 82.6 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1721 kg | 992 kg |
| Vehicle Length | 4520 mm | 4310 mm |
| Vehicle Width | 1840 mm | 1620 mm |
| Vehicle Height | 1290 mm | 1430 mm |
| Wheelbase Size | 2690 mm | 2510 mm |
| Fuel Tank Capacity | 68 L | 45 L |
