1975 GMC Jimmy vs. 2003 Hummer H2
To start off, 2003 Hummer H2 is newer by 28 year(s). Which means there will be less support and parts availability for 1975 GMC Jimmy. In addition, the cost of maintenance, including insurance, on 1975 GMC Jimmy would be higher. At 6,555 cc (8 cylinders), 1975 GMC Jimmy is equipped with a bigger engine. In terms of performance, 2003 Hummer H2 (321 HP @ 5200 RPM) has 148 more horse power than 1975 GMC Jimmy. (173 HP @ 3600 RPM) In normal driving conditions, 2003 Hummer H2 should accelerate faster than 1975 GMC Jimmy. With that said, vehicle weight also plays an important factor in acceleration. 2003 Hummer H2 weights approximately 1030 kg more than 1975 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, 2003 Hummer H2 (522 Nm @ 3600 RPM) has 129 more torque (in Nm) than 1975 GMC Jimmy. (393 Nm @ 2800 RPM). This means 2003 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1975 GMC Jimmy.
Compare all specifications:
| 1975 GMC Jimmy | 2003 Hummer H2 | |
| Make | GMC | Hummer |
| Model | Jimmy | H2 |
| Year Released | 1975 | 2003 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 6555 cc | 5967 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 173 HP | 321 HP |
| Engine RPM | 3600 RPM | 5200 RPM |
| Torque | 393 Nm | 522 Nm |
| Torque RPM | 2800 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1880 kg | 2910 kg |
| Vehicle Length | 4690 mm | 4820 mm |
| Vehicle Width | 2030 mm | 2070 mm |
| Vehicle Height | 1840 mm | 1980 mm |
| Wheelbase Size | 2720 mm | 3130 mm |
