1999 GMC Sierra vs. 1968 Humber Sceptre
To start off, 1999 GMC Sierra is newer by 31 year(s). Which means there will be less support and parts availability for 1968 Humber Sceptre. In addition, the cost of maintenance, including insurance, on 1968 Humber Sceptre would be higher. At 5,325 cc (8 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (282 HP @ 5200 RPM) has 200 more horse power than 1968 Humber Sceptre. (82 HP @ 5200 RPM). In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1968 Humber Sceptre. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 843 kg more than 1968 Humber Sceptre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1968 Humber Sceptre. In wet, icy, snow, or gravel driving conditions, 1999 GMC Sierra 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 GMC Sierra (440 Nm @ 4000 RPM) has 317 more torque (in Nm) than 1968 Humber Sceptre. (123 Nm @ 3600 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1968 Humber Sceptre.
Compare all specifications:
| 1999 GMC Sierra | 1968 Humber Sceptre | |
| Make | GMC | Humber |
| Model | Sierra | Sceptre |
| Year Released | 1999 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 5325 cc | 1723 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 282 HP | 82 HP |
| Engine RPM | 5200 RPM | 5200 RPM |
| Torque | 440 Nm | 123 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1835 kg | 992 kg |
| Vehicle Length | 5170 mm | 4310 mm |
| Vehicle Width | 2000 mm | 1620 mm |
| Vehicle Height | 1810 mm | 1430 mm |
| Wheelbase Size | 3030 mm | 2510 mm |
