1981 GMC Jimmy vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 28 year(s). Which means there will be less support and parts availability for 1981 GMC Jimmy. In addition, the cost of maintenance, including insurance, on 1981 GMC Jimmy would be higher. At 6,210 cc (8 cylinders), 1981 GMC Jimmy is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (353 HP @ 5400 RPM) has 223 more horse power than 1981 GMC Jimmy. (130 HP @ 3600 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 1981 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 2009 GMC Sierra weights approximately 490 kg more than 1981 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, 2009 GMC Sierra (506 Nm @ 4400 RPM) has 180 more torque (in Nm) than 1981 GMC Jimmy. (326 Nm @ 2000 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1981 GMC Jimmy.
Compare all specifications:
| 1981 GMC Jimmy | 2009 GMC Sierra | |
| Make | GMC | GMC |
| Model | Jimmy | Sierra |
| Year Released | 1981 | 2009 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 6210 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 130 HP | 353 HP |
| Engine RPM | 3600 RPM | 5400 RPM |
| Torque | 326 Nm | 506 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1945 kg | 2435 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 |
