1983 Hummer H1 vs. 2002 Pontiac Grand Am
To start off, 2002 Pontiac Grand Am is newer by 19 year(s). Which means there will be less support and parts availability for 1983 Hummer H1. In addition, the cost of maintenance, including insurance, on 1983 Hummer H1 would be higher. At 5,733 cc (8 cylinders), 1983 Hummer H1 is equipped with a bigger engine. In terms of performance, 1983 Hummer H1 (187 HP @ 4000 RPM) has 12 more horse power than 2002 Pontiac Grand Am. (175 HP @ 4800 RPM). In normal driving conditions, 1983 Hummer H1 should accelerate faster than 2002 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 1983 Hummer H1 weights approximately 1356 kg more than 2002 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1983 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 2002 Pontiac Grand Am. In wet, icy, snow, or gravel driving conditions, 1983 Hummer H1 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, 1983 Hummer H1 (407 Nm @ 2400 RPM) has 122 more torque (in Nm) than 2002 Pontiac Grand Am. (285 Nm @ 4000 RPM). This means 1983 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 2002 Pontiac Grand Am.
Compare all specifications:
| 1983 Hummer H1 | 2002 Pontiac Grand Am | |
| Make | Hummer | Pontiac |
| Model | H1 | Grand Am |
| Year Released | 1983 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 3349 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 175 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 407 Nm | 285 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| Drive Type | 4WD | Front |
| Vehicle Weight | 2770 kg | 1414 kg |
| Vehicle Length | 4690 mm | 4740 mm |
| Vehicle Width | 2200 mm | 1790 mm |
| Vehicle Height | 1840 mm | 1410 mm |
| Wheelbase Size | 3310 mm | 2730 mm |
