1983 Hummer H1 vs. 1977 Pontiac Firebird
To start off, 1983 Hummer H1 is newer by 6 year(s). Which means there will be less support and parts availability for 1977 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1977 Pontiac Firebird 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 62 more horse power than 1977 Pontiac Firebird. (125 HP @ 3200 RPM). In normal driving conditions, 1983 Hummer H1 should accelerate faster than 1977 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 1983 Hummer H1 weights approximately 1300 kg more than 1977 Pontiac Firebird. 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 1977 Pontiac Firebird. 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 75 more torque (in Nm) than 1977 Pontiac Firebird. (332 Nm @ 2000 RPM). This means 1983 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 1977 Pontiac Firebird.
Compare all specifications:
| 1983 Hummer H1 | 1977 Pontiac Firebird | |
| Make | Hummer | Pontiac |
| Model | H1 | Firebird |
| Year Released | 1983 | 1977 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5733 cc | 3790 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 187 HP | 125 HP |
| Engine RPM | 4000 RPM | 3200 RPM |
| Torque | 407 Nm | 332 Nm |
| Torque RPM | 2400 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 2770 kg | 1470 kg |
| Vehicle Length | 4690 mm | 4880 mm |
| Vehicle Width | 2200 mm | 1870 mm |
| Vehicle Height | 1840 mm | 1290 mm |
| Wheelbase Size | 3310 mm | 2750 mm |
