1974 Humber Sceptre vs. 2013 Jaguar XJ
To start off, 2013 Jaguar XJ is newer by 39 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 5,000 cc (4 cylinders), 2013 Jaguar XJ is equipped with a bigger engine. In terms of performance, 2013 Jaguar XJ (503 HP @ 6500 RPM) has 424 more horse power than 1974 Humber Sceptre. (79 HP @ 5200 RPM) In normal driving conditions, 2013 Jaguar XJ should accelerate faster than 1974 Humber Sceptre. With that said, vehicle weight also plays an important factor in acceleration. 2013 Jaguar XJ weights approximately 888 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.
Because 2013 Jaguar XJ is all wheel drive (AWD), it will have significant more traction and grip than 1974 Humber Sceptre. In wet, icy, snow, or gravel driving conditions, 2013 Jaguar XJ 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, 2013 Jaguar XJ (625 Nm @ 5000 RPM) has 502 more torque (in Nm) than 1974 Humber Sceptre. (123 Nm @ 3600 RPM). This means 2013 Jaguar XJ will have an easier job in driving up hills or pulling heavy equipment than 1974 Humber Sceptre.
Compare all specifications:
| 1974 Humber Sceptre | 2013 Jaguar XJ | |
| Make | Humber | Jaguar |
| Model | Sceptre | XJ |
| Year Released | 1974 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1725 cc | 5000 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | W |
| Horse Power | 79 HP | 503 HP |
| Engine RPM | 5200 RPM | 6500 RPM |
| Torque | 123 Nm | 625 Nm |
| Torque RPM | 3600 RPM | 5000 RPM |
| Engine Bore Size | 81.5 mm | 92 mm |
| Engine Stroke Size | 82.6 mm | 93 mm |
| Engine Compression Ratio | 9.2:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Rear | AWD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 992 kg | 1880 kg |
| Vehicle Length | 4310 mm | 5252 mm |
| Vehicle Width | 1620 mm | 2105 mm |
| Vehicle Height | 1430 mm | 1456 mm |
| Wheelbase Size | 2510 mm | 3157 mm |
