2007 Hummer H2 vs. 1986 Pontiac Grand Am
To start off, 2007 Hummer H2 is newer by 21 year(s). Which means there will be less support and parts availability for 1986 Pontiac Grand Am. In addition, the cost of maintenance, including insurance, on 1986 Pontiac Grand Am would be higher. At 5,999 cc (8 cylinders), 2007 Hummer H2 is equipped with a bigger engine. In terms of performance, 2007 Hummer H2 (325 HP @ 5200 RPM) has 235 more horse power than 1986 Pontiac Grand Am. (90 HP @ 4400 RPM). In normal driving conditions, 2007 Hummer H2 should accelerate faster than 1986 Pontiac Grand Am. With that said, vehicle weight also plays an important factor in acceleration. 2007 Hummer H2 weights approximately 1773 kg more than 1986 Pontiac Grand Am. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Pontiac Grand Am. In wet, icy, snow, or gravel driving conditions, 2007 Hummer H2 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, 2007 Hummer H2 (495 Nm @ 4000 RPM) has 316 more torque (in Nm) than 1986 Pontiac Grand Am. (179 Nm @ 2800 RPM). This means 2007 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1986 Pontiac Grand Am. 2007 Hummer H2 has automatic transmission and 1986 Pontiac Grand Am has manual transmission. 1986 Pontiac Grand Am will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Hummer H2 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Hummer H2 | 1986 Pontiac Grand Am | |
| Make | Hummer | Pontiac |
| Model | H2 | Grand Am |
| Year Released | 2007 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 2471 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 325 HP | 90 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 495 Nm | 179 Nm |
| Torque RPM | 4000 RPM | 2800 RPM |
| Engine Bore Size | 101.6 mm | 101.6 mm |
| Engine Stroke Size | 91.9 mm | 76.2 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 2903 kg | 1130 kg |
| Vehicle Length | 5180 mm | 4520 mm |
| Vehicle Width | 2070 mm | 1710 mm |
| Vehicle Height | 2020 mm | 1340 mm |
| Wheelbase Size | 3120 mm | 2630 mm |
