2009 Hummer H2 vs. 1975 Pontiac Firebird
To start off, 2009 Hummer H2 is newer by 34 year(s). Which means there will be less support and parts availability for 1975 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1975 Pontiac Firebird would be higher. At 6,199 cc (8 cylinders), 2009 Hummer H2 is equipped with a bigger engine. In terms of performance, 2009 Hummer H2 (393 HP @ 5700 RPM) has 235 more horse power than 1975 Pontiac Firebird. (158 HP @ 4400 RPM). In normal driving conditions, 2009 Hummer H2 should accelerate faster than 1975 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2009 Hummer H2 weights approximately 1318 kg more than 1975 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Hummer H2 is four wheel drive (4WD), it will have significant more traction and grip than 1975 Pontiac Firebird. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Hummer H2 (564 Nm @ 4300 RPM) has 198 more torque (in Nm) than 1975 Pontiac Firebird. (366 Nm @ 2000 RPM). This means 2009 Hummer H2 will have an easier job in driving up hills or pulling heavy equipment than 1975 Pontiac Firebird.
Compare all specifications:
| 2009 Hummer H2 | 1975 Pontiac Firebird | |
| Make | Hummer | Pontiac |
| Model | H2 | Firebird |
| Year Released | 2009 | 1975 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 6199 cc | 5792 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 393 HP | 158 HP |
| Engine RPM | 5700 RPM | 4400 RPM |
| Torque | 564 Nm | 366 Nm |
| Torque RPM | 4300 RPM | 2000 RPM |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2903 kg | 1585 kg |
| Vehicle Length | 4830 mm | 4880 mm |
| Vehicle Width | 2070 mm | 1870 mm |
| Vehicle Height | 2020 mm | 1290 mm |
| Wheelbase Size | 3130 mm | 2750 mm |
