1979 GMC Jimmy vs. 2007 GMC Sierra
To start off, 2007 GMC Sierra is newer by 28 year(s). Which means there will be less support and parts availability for 1979 GMC Jimmy. In addition, the cost of maintenance, including insurance, on 1979 GMC Jimmy would be higher. At 5,999 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (353 HP @ 5400 RPM) has 253 more horse power than 1979 GMC Jimmy. (100 HP @ 3600 RPM) In normal driving conditions, 2007 GMC Sierra should accelerate faster than 1979 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 2007 GMC Sierra weights approximately 988 kg more than 1979 GMC Jimmy. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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 GMC Sierra (506 Nm @ 4400 RPM) has 264 more torque (in Nm) than 1979 GMC Jimmy. (242 Nm @ 1600 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1979 GMC Jimmy.
Compare all specifications:
| 1979 GMC Jimmy | 2007 GMC Sierra | |
| Make | GMC | GMC |
| Model | Jimmy | Sierra |
| Year Released | 1979 | 2007 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4091 cc | 5999 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 353 HP |
| Engine RPM | 3600 RPM | 5400 RPM |
| Torque | 242 Nm | 506 Nm |
| Torque RPM | 1600 RPM | 4400 RPM |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1800 kg | 2788 kg |
| Vehicle Length | 4690 mm | 6340 mm |
| Vehicle Width | 2030 mm | 2040 mm |
| Vehicle Height | 1840 mm | 1950 mm |
| Wheelbase Size | 2720 mm | 4010 mm |
